AU2002255313A1 - Malononitrile compounds and their use as pesticides - Google Patents
Malononitrile compounds and their use as pesticidesInfo
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- AU2002255313A1 AU2002255313A1 AU2002255313A AU2002255313A AU2002255313A1 AU 2002255313 A1 AU2002255313 A1 AU 2002255313A1 AU 2002255313 A AU2002255313 A AU 2002255313A AU 2002255313 A AU2002255313 A AU 2002255313A AU 2002255313 A1 AU2002255313 A1 AU 2002255313A1
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Description
DESCRIPTION MALONONITRILE COMPOUNDS AND THEIR USE AS PESTICIDES
Technical Field The present invention relates to malononitrile compounds and their use as pesticide compositions.
Background Art
Against pests such as insect pests, acarine pests, and nematode pests, various pesticide compositions have been used so far for their control. The conditions of pesticide compositions required have drastically been changed, including the care of their effects on the environment and the acquisition of drug resistance by pests to be controlled. Under such circumstances, there have been great demands for the development of new pesticide compositions.
Disclosure of Invention
The present inventors have extensively studied to find compounds having excellent pest controlling activity. As a result, they have found that the malononitrile compounds of formula (Y) as depicted below have excellent controlling activity against pests such as insect pests, acarine pests, and nematode pests, thereby reaching the present invention.
That is, the present invention provides malononitrile compounds of formula (Y):
(hereinafter referred to as the present compound(s))
wherein R1 and R2 are the same or different and independently
(halo)- alkyl, C C^ (halo)alkyloxy, C2-C5 (halo)alkenyl, C2-C5 (halo)alkynyl, hydrogen, or cyano;
R3 is Ci-Cg haloalkyl, C2-C4 haloalkenyl, or C2-C4 haloalkynyl; m is an integer of 1 to 3;
R5 is halogen, cyano, nitro, C^^ (halo)alkyl, C2-C4 (halo)alkenyl, C2- C4 (halo)alkynyl, CrC4 (halo)alkyloxy,
(halo)- alkylsulfinyl, CrC4 (halo)alkylsulfonyl, C^C^ (halo)alkylcarbonyl, C^C^ (halo)alkyloxycarbonyl, 0^04 (halo)alkylcarbonyloxy, benzyloxy, phenyloxy, or phenylthio, in which the phenyloxy and phenylthio groups may optionally be substituted with halogen or
alkyl; n is an integer of 0 to 4;
R6 is hydrogen, halogen, cyano, nitro, C C4 (halo) alkyl, C2-C4 (halo)- alkenyl, C2-C4 (halo)alkynyl,
(halo)alkylsulfinyl, C^C^ (halo)alkylsulfonyl, Cι-C4 (halo)alkylcarbonyl, Cx-C^ (halo)alkyloxycarhonyl, Cχ-C4 (halo)alkylcarbonyloxy, benzyloxy, phenyloxy, or phenylthio, in which the phenyloxy and phenylthio groups may optionally be substituted with halogen or C!-C3 alkyl; with the proviso that when n is 2 or more, then R5's are the same or different from each other.
The present invention also provides use of the present compounds as a pesticide; pesticide compositions comprising the present compounds as active ingredients; and a pest controUing method comprising applying the present compounds to pests or habitats of pests.
Mode for Carrying Out the Invention
In the definition of substituents as used herein, each group has the following meaning:
The (halo) alkyl group refers to alkyl optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo)alkyloxy group refers to alkyloxy optionally substituted with halogen for one or more than one hydrogen atoms. The (halo)alkenyl group refers to alkenyl optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo) alkynyl group refers to alkynyl optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo)alkylthio group refers to alkylthio optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo)alkylsulfrinyl group refers to alkylsulfinyl optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo)alkylsulfonyl group refers to alkylsulfonyl optionally substituted with halogen for one or more than one hydrogen atoms. The (halo)alkylcarbonyl group refers to alkylearbonyl optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo)alkyloxycarbonyl group refers to alkyloxycarbonyl optionally substituted with halogen for one or more than one hydrogen atoms.
The (halo)alkylcarbonyloxy group refers to alkylcarbonyloxy option- ally substituted with halogen for one or more than one hydrogen atoms.
The haloalkyl group refers to alkyl substituted with halogen for at least one or more hydrogen atoms.
The haloalkenyl group refers to alkenyl substituted with halogen for at least one or more hydrogen atoms. The haloalkynyl group refers to alkynyl substituted with halogen for at least one or more hydrogen atoms.
The term "C1-C10" or the like refers to number of carbon atoms constituting the alkyl, alkenyl, or alkynyl group in each substituent. For
example, C -C4 (halo)alkylcarbonyl means alkylcarbonyl optionally substituted with halogen for one or more hydrogen atoms wherein the alkyl part is constituted by C^ carbon atoms.
In the present compounds, each group includes specific ones as listed below:
The Cj-Cg (halo)alkyl group represented by R1 or R2 may include methyl, ethyl, propyl, 1-methylethyl, 1,1-dimethylethyl, 2,2-dimethylpropyl, chloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, 2,2,2-trifluoroethyl, and 1,1,2,2-tetrafluoroethyl. The Ci-Cg (halo)alkyloxy group represented by R1 or R2 may include methoxy, ethoxy, 1-methylethoxy, trifluoromethoxy, difluoromethoxy, 2,2,2- trifluoroethoxy, and 1,1,2,2-tetrafLuoroethoxy.
The C2-C5 (halo)alkenyl group represented by R1 or R2 may include vinyl, 1-propenyl, 2-propenyl, 2,2-difl.uorovinyl, and 1,2,2-trifluorovinyl. The C2-C5 (halo)alkynyl group represented by R1 or R2 may include ethynyl, 1-propynyl, 2-propynyl and 3,3,3-trifLuoro-l-propynyl.
The Ci-Cg haloalkyl group represented by R3 may include fluoromethyl, chloromethyl, difluoromethyl, dichloromethyl, trifluoromethyl, tri- chloromethyl, 1,1-difluoroethyl, pentafLuoroethyl, 1,1-difluoropropyl, hepta- fluoropropyl, 2,2,2-trifluoroethyl, 3,3,3-trifl.uoropropyl, and 1,1,2,2-tetrafluoroethyl.
The C2-C4 haloalkenyl group represented by R3 may include 1-chloro- vinyl, 2-chlorovinyl, 1-fl.uorovinyl, 2-fLuorovinyl, 2,2-dichlorovinyl, 2,2-di- bromovinyl, 2,2-difl.uorovinyl, 1,2,2-trifluorovinyl, l-(trirfluoromethyl)vinyl, 3,3,3-trifluoro-l-propenyl, 2,3,3,3-tetrafluoro-l-propenyl, 1,2,3,3,3-penta- fluoro- 1-propenyl, 3,3-difluoro-2-propenyl, 2,3,3-trifluoro-2-propenyl, and 3,4,4-trifluoro-3-butenyl.
The C2-C4 haloalkynyl group represented by R3 may include 3-chloro-
2-propynyl and 3,3,3-trifl.uoro-l-propynyl.
The halogen atom represented by R5 or R6 may include fluorine, chlorine, bromine, and iodine.
The Cι-C4 (halo)alkyl group represented by Rε or R6 may include methyl, ethyl, propyl, 1-methylethyl, 1,1-dimethylethyl, trifluoromethyl, entafluoroethyl, 3,3,3-trifluoroethyl, and 1,1,2,2-tetrafLuoroethoxy.
The C2-C4 (halo)alkenyl group represented by RB or R6 may include vinyl, 1-propenyl, 2-propenyl and 2,2-difluorovinyl.
The C2-C4 (halo)alkynyl group represented by R5 or R6 may include ethynyl, 1-propynyl, 2-propynyl and 3,3,3-trifl.uoro-l-propynyl.
The Ci-04 (halo)alkyloxy group represented by R5 or R6 may include methoxy, ethoxy, trifluoromethoxy, bromodifluoromethoxy, difluoromethoxy, chloro difluoromethoxy, pentafluoroethoxy, 2,2,2-trifluoroethoxy, and 1,1,2,2- tetrafluoroethoxy. The Ci-04 (halo)alkylthio group represented by R5 or R6 may include methylthio, trifluoromethylthio, 2,2,2-trifluoroethylthio, and 1,1,2,2-tetra- fluor oethylthio .
The CrC4 (halo)alkylsulfrnyl group represented by R5 or R6 may include methylsulfϊnyl and trifluoromethylsulfhiyl. The Ci-04 (halo)alkylsulfonyl group represented by RE or R6 may include methylsulfonyl and trifluoromethylsulfonyl.
The
(halo)alkylcarbonyl group represented by R5 or R6 may include acetyl and trifluoroacetyl.
The Cι-C4 (halo)alkyloxycarbonyl group represented by R5 or R6 may include methoxycarbonyl and 2,2,2-trifl.uoroethoxycarbonyl.
The CrC4 (halo)alkylcarbonyloxy group represented by R5 or R6 may include acetyloxy, propionyloxy, and trifluoroacetyloxy.
The phenyloxy group optionally substituted with halogen or Cx-Cg
alkyl, which is represented by RB or R6, may include phenoxy, p-methyl- phenoxy, m-methylphenoxy, andp-chlorophenoxy.
The phenylthio group optionally substituted with halogen or
alkyl, which is represented by R5 or R6, may include phenylthio, p-methyl- phenylthio, m-methylphenylthio, and p-chlorophenylthio.
The embodiments of the present invention may include the following compounds:
The malononitrile compounds of formula (Y) wherein R1 is hydrogen, and R2 is Cι-CB (halo)alkyl, C2-C5 (halo)alkenyl, or hydrogen; The malononitrile compounds of formula (Y) wherein R1 and R2 are both hydrogen;
The malononitrile compounds of formula (Y) wherein R3 is
fluoroalkyl or C2-C4 fluoroalkenyl;
The malononitrile compounds of formula (Y) wherein R5 is halogen, n is an integer of 0 to 2;
The malononitrile compounds of formula (Y) wherein R6 is halogen, cyano, nitro, Cx-C4 haloalkyl, Cι-C4 haloalkyloxy, or C1-C4 haloalkylthio;
The malononitrile compounds of formula (Y) wherein R5 is halogen, n is an integer of 0 to 2, and R6 is halogen, cyano, nitro, C,_-C4 haloalkyl, C^C^t haloalkyloxy, or
haloalkylthio;
The malononitrile compounds of formula (Y) wherein R3 is
fluoroalkyl or C2-C4 fluoroalkenyl, R5 is halogen, n is an integer of 0 to 2, and R6 is halogen, cyano, nitro, C^C^ (halo)alkyl, C^C^ (halo)alkyloxy, or C^C^ (halo) alkylthio; The malononitrile compounds of formula (Y) wherein R1 and R2 are the same or different and independently Ci-Cg (halo)alkyl, CrC3 (halo)alkyl- oxy, C2-C4 (halo)alkenyl, C2-C4 (halo)alkynyl, hydrogen, or cyano; R5 and R6 are the same or different and independently halogen, cyano, nitro, Cj-Cg
haloalkyl,
haloalkyloxy, Ci-Cg (halo)alkylthio,
(halo)ajJkylsulfϊnyl, Ci-Cg (halo)alkylsulfonyl, Cι-C3 (halo)alkylcarbonyl, or Cι-C3 haloalkyloxy- carbonyl;
The malononitrile compounds of formula (Y) wherein R1 is hydrogen, R2 is C1-C5 (halo)alkyl, C2-C5 (halo)alkenyl, or hydrogen, R3 is Cι-C3 fluoroalkyl or C2-C4 fluoroalkenyl, R5 is halogen, n is an integer of 0 to 2, and R6 is halogen, cyano, nitro,
(halo)alkyl, Cι-C4 (halo)alkyloxy, or Cι-C4 (halo) alkylthio;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-tri- fluorovinyl, m is 2, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is difluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is trifluoromethoxy; The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and 6 is 1,1,2,2-tetrafluoroethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-tri- fluorovinyl, m is 2, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is bromine;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is fluorine; The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is 1,2,2-trifluorovinyl, m is 2, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R6 is difluoromethoxy; The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is trifluoro- methyl, m is 2, and R6 is 1,1,2,2-tetrafluoroethoxy;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and 6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R8 is bromine; The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 2, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is trifluoro- methyl, m is 2, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and Rδ is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is difluoromethoxy; The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is pentafTuo- roethyl, m is 2, and R6 is 1,1,2,2-tetrafluoroethoxy;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is chlorine; The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is bromine;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 2, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 1, and 6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 1, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is trifluoro- methyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 3, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 3, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 3, and R6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 3, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 3, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is trifluoro- methyl, m is 3, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is trifluoromethyl, m is 3, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- chlorovinyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- fluorovinyl, m is 1, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- fluorovinyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- fluorovinyl, m is 1, and R6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is 2,2-difl.uorovinyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- fluorovinyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- fluorovinyl, m is 1, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is 2,2-di- fluorovinyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-trifluoro-l-propenyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-trifluoro-l-propenyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-trifluoro-l-propenyl, m is 1, and 6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro- 1-propenyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-trifluoro-l-propenyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-trifluoro-l-propenyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-trifluoro-l-propenyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is 3,3,3-tri- fluoro-1-propynyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is heptafluo- ropropyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is pentafTuo- roethyl, m is 1, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 1, and R6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 1, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is pentafluo- roethyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is fruoro- methyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 1, and 6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is fTuoro- methyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is fTuoro- methyl, m is 2, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 2, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 2, and 6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 2, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 2, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is fluoro- methyl, m is 2, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is fLuoro- methyl, m is 2, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is chloromethyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is chloromethyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is chloromethyl, m is 1, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is chloro- methyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is chloromethyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is chloromethyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is chloromethyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is 1,1-di- fluoroethyl, m is 2, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 1, and R6 is trifluoromethyl; The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 1, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl) vinyl, m is 1, and R6 is trifluoromethylthio;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 1, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 1, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 1, and R6 is cyano; The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 1, and R6 is nitro;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is trifluoromethyl;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is trifluoromethoxy;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is trifluoromethylthio; The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is chlorine;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is fluorine;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is cyano;
The malononitrile compounds of formula (Y) wherein R3 is l-(tri- fluoromethyl)vinyl, m is 2, and R6 is nitro.
The preferred compounds among the present compounds are the compounds wherein R6 is halogen, cyano, nitro, C^C^ haloalkyl, C^C^ halo- alkyloxy or Cx-C4 haloalkylthio; the compounds wherein n is 1 to 3 and at least one of Rε is halogen, cyano, nitro, C1-C4 haloalkyl,
haloalkyloxy or Cα-C4 (halo)alkylthio; or the compounds wherein R3 is 1,2,2-trifluorovinyl, trifluoromethyl, pentafluoroethyl, 3,3,3-trifluoro-l-propenyl, heptafluoro- propyl, 1,1-difluoroethyl or l-(trifluoromethyl)vinyl. More preferred com- pounds are the compounds wherein R6 is halogen, cyano, nitro,
fluoroalkyl, Ci-C4 fluoro alkyloxy or C Qj fluoro alkylthio; the compounds wherein n is 1 to 3 and at least one of R5 is halogen, cyano, nitro, C -C4 fluoroalkyl, Cx- C4 fluoroalkyloxy or
fluoroalkylthio; or the compounds wherein m is 2 and R3 is trifluoromethyl. The following will describe the production processes for the present compounds.
The present compounds can be produced by, for example, the following (Production Process 1) or (Production Process 2).
(Production Process 1)
This is a process by reacting compound (a) with compound (b) in the presence of a base.
wherein R1, R2, R3, R5, R6, m, and n are as defined above, and Z is halogen, methanesulfonyl, trifluoromethanesulfonyl, or toluenesulfonyl.
The reaction is usually carried out in a solvent. The solvent which can be used in the reaction may include acid amides such as dimethylform- amide; ethers such as diethyl ether and tetrahydrofuran; organic sulfur compounds such as dimethylsulfoxide and sulfolane; halogenated hydrocarbons such as 1,2-dichloroethane and chlorobenzene; aromatic hydrocarbons such as toluene and xylene; water; and mixtures thereof.
The base which can be used in the reaction may include inorganic bases such as sodium hydride, sodium hydroxide, potassium hydroxide, and potassium carbonate; alkah metal alkoxides such as sodium methoxide, sodium ethoxide, and potassium tert-butoxide; alkah metal amides such as hthium diisopropylamide; and organic bases such as 4-dimethylaminopyri- dine, l,4-diazabicyclo[2.2.2]octane, and l,8-diazabicylco[5.4.0]-7-undecene. The amount of base used in the reaction is usually in a ratio of 1 to 10 moles relative to 1 mole of compound (a).
The reaction temperature is usually in the range of -20°C to 100°C. The reaction time is usually in the range of 1 to 24 hours. The amount of compound (b) used in the reaction is usually in a ratio of 1 to 10 moles relative to 1 mole of compound (a). After the reaction, the reaction mixture is poured into water, followed
by ordinary post-treatment procedures including extraction with an organic solvent and concentration, thereby isolating the desired present compounds, which may be purified by a technique such as chromatography or recrystal- lization.
(Production Process 2)
This is a process by reacting compound (c) with compound (d) in the presence of a base.
wherein R1, R2, R3, R6, R6, m, n, and Z are as defined above. The reaction is usually carried out in a solvent. The solvent which can be used in the reaction may include acid amides such as dimethylform- amide; ethers such as diethyl ether and tetrahydrofuran; organic sulfur compounds such as dimethylsulfoxide and sulfolane; halogenated hydrocarbons such as 1,2-dichloroethane and chlorobenzene; aromatic hydro- carbons such as toluene and xylene; water; and mixtures thereof.
The base which can be used in the reaction may include inorganic bases such as sodium hydride, sodium hydroxide, potassium hydroxide, and potassium carbonate; alkah metal alkoxides such as sodium methoxide, sodium ethoxide, and potassium tert-butoxide; alkah metal amides such as Hthium diisopropylamide; and organic bases such as 4-dimethylaminopyri- dine, l,4-diazabicyclo[2.2.2]octane, and l,8-diazabicylco[5.4.0]-7-undecene. The amount of base used in the reaction is usually in a ratio of 1 to 10 moles relative to 1 mole of compound (a).
The reaction temperature is usually in the range of -20°C to 100°C.
The reaction time is usually in the range of 1 to 24 hours.
The amount of compound (b) used in the reaction is usually in a ratio of 1 to 10 moles relative to 1 mole of compound (a).
After the reaction, the reaction mixture is poured into water, followed by ordinary post-treatment procedures including extraction with an organic solvent and concentration, thereby isolating the desired present compounds, which may be purified by a technique such as chromatography or recrystal- lization.
The compound (a) can be produced through a route, for example, as shown in the following scheme.
wherein R1, R2, R5, R6, and n are as defined above.
(Step 1)
The compound (f) can be produced by reacting compound (e) with malononitrile.
The reaction is usually carried out in a solvent and in the presence of a base. The solvent which can be used in the reaction may include acid amides such as N,N-<hmethylformamide; ethers such as diethyl ether and tetrahydrofuran; halogenated hydrocarbons such as chloroform, 1,2-dichlo- roethane, and chlorobenzene; aromatic hydrocarbons such as toluene and xylene; alcohols such as methanol, ethanol, and isopropanol; and mixtures thereof.
The base which can be used in the reaction may include tetrabutyl- ammonium hydroxide. The amount of base used in the reaction is usually
in a ratio of 0.01 to 0.5 mole relative to 1 mole of compound (e).
The amount of malononitrile used in the reaction is usually in a ratio of 1 to 10 moles relative to 1 mole of compound (e).
The reaction temperature is usually in the range of -20°C to 200°C. The reaction time is usually in the range of 1 to 24 hours.
The reaction may be carried out, while removing, if necessary, water which is generated by the reaction, from the reaction system.
After the reaction, the reaction mixture is poured into water, followed by ordinary post-treatment procedures including extraction with an organic solvent and concentration, thereby isolating the desired present compounds, which may be purified by a technique such as chromatography or recrystal- hzation.
(Step 2)
(1) The case where R2 is a substituent other than hydrogen and cyano:
The compound (a) can be produced by reacting compound (f) with an or anometallic compound.
The reaction is usually carried out in a solvent and, if necessary, in the presence of a copper salt. The solvent which can be used in the reaction may include ethers such as diethyl ether and tetrahydrofuran; aromatic hydrocarbons such as toluene and xylene; and mixtures thereof.
The organometallic compound which can be used in the reaction may include organic magnesium compounds such as methyl magnesium iodide, ethyl magnesium bromide, isopropyl magnesium bromide, vinyl magnesium bromide, ethynyl magnesium bromide, and dimethyl magnesium; organic hthium compounds such as methyl Hthium; organic zinc compounds such as diethyl zinc; and organic copper compounds such as trifluoromethyl copper.
The amount of organometallic compound used in the reaction is usuaHy in a ratio of 1 to 10 moles relative to 1 mole of compound (f).
The copper salt which can be used in the reaction may include copper
(I) iodide and copper (I) bromide. The amount of copper salt used in the reaction is usually not greater than 1 mole relative to 1 mole of compound (f).
The reaction temperature is usually in the range of -20°C to 100°C.
The reaction time is usually in the range of 1 to 24 hours.
After the reaction, the reaction mixture is poured into water, followed by ordinary post-treatment procedures including extraction with an organic solvent and concentration, thereby isolating the desired present compounds, which may be purified by a technique such as chromatography or recrystal-
Hzation.
(2) The case where R2 is hydrogen:
The compound (a) can be produced by subjecting compound (f) to reduction.
The reduction is usually carried out in a solvent.
The solvent which can be used in the reaction may include ethers such as diethyl ether and tetrahydrofuran; aromatic hydrocarbons such as toluene and xylene; alcohols such as methanol, ethanol, and propanol; water; and mixtures thereof.
The reducing agent which can be used in the reaction may include sodium borohydride. The amount of reducing agent used in the reaction is usually in a ratio of 0.25 to 2 moles relative to 1 mole of compound (f).
The reaction time is usually in the range of a moment to 24 hours. The reaction temperature is usually in the range of 0°C to 50°C.
After the reaction, the reaction mixture is poured into water, followed by ordinary post-treatment procedures including extraction with an organic solvent and concentration, thereby isolating the desired present compounds,
which may be purified by a technique such as chromatography or recrystal- Hzation.
(3) The case where R2 is cyano:
The compound (a) can be produced by reacting compound (f) with a cyanide.
The solvent which can be used in the reaction may include ethers such as diethyl ether and tetrahydrofuran; aromatic hydrocarbons such as toluene and xylene; and mixtures thereof.
The cyanide which can be used in the reaction may include tetra- butylammonium cyanide. The amount of cyanide used in the reaction is usually in a ratio of 1 to 10 moles relative to 1 mole of compound (f).
The reaction temperature is usually in the range of — 20°C to 100°C.
The reaction time is usually in the range of 1 to 24 hours.
After the reaction, the reaction mixture is poured into water, followed by ordinary post-treatment procedures including extraction with an organic solvent and concentration, thereby isolating the desired present compounds, which may be purified by a technique such as chromatography or recrystal-
Hzation.
The pests against which the present compounds exhibit controlling activity may include insect pests, acarine pests, and nematode pests, specific examples which are as follows:
Hemiptera:
Delphacidae such as Laodelphax striatellus, Nilaparvata lugens, and Sogatella furcifera; Deltocephahdae such as Nephotettix cincticeps and Nephotettix virescens;
Aphididae such as Aphis gossypii and Myzus persicae;
Pentatomidae such as Nezara antennata, Riptortus clavetus
Eysarcoris lewisi, Eysarcoris parvus, Plautia stali and Halyomorpha misia;
Aleyrodidae such as Trialeurodes vaporariorum and Bemisia argen- tifolii;
Coccidae such as Aonidiella aurantii, Comstockaspis perniciosa, Un- aspis citri, Ceroplastes rubens, and Icerya purchasi;
Tingidae;
PsylHdae;
Lepidoptera:
PyraHdae such as Chilo suppressalis, Cnaphalocrocis medinalis, Notarcha derogata, and Plodia interpunctella;
Noctuidae such as Spodoptera litura, Pseudaletia separata, Thorico- plusia spp., Hehothis spp., and Hehcoverpa spp.;
Pieridae such as Pieris rapae;
Tortricidae such as Adoxophyes spp., Grapholita molesta, and Cydia pomonella;
Carposinidae such as Carposina niponensis
Lyonetiidae such as Lyonetia spp.;
Lymantriidae such as Lyamantria spp. and Euproctis spp.;
Yponomentidae such as Plutella xylostella; Gelechndae such as Pectinophora gossypiella;
Arctiidae such as Hyphantria cunea;
Tineidae such as Tinea translucens and Tineola bisselliella;
Diptera:
CaHcidae such as Culex pipiens pallens, Culex tritaeniorhynchus, and Culex quinquefasciatus
Aedes spp. such as Aedes aegypti and Aedes albopictus
Anopheles spp. such as Anopheles sinensis
Chironomidae;
Muscidae such as Musca domestica and Muscina stabulans
CalHphoridae;
Sarcophagidae;
Fannndae; Anthomyiidae such as Delia platura and Delia antique;
Tephritidae;
Drosophilidae;
Psychodidae;
SimuHidae; Tabanidae;
Stomoxyidae;
Agromyzidae;
Coleoptera:
Diabrotica spp. such as Diabrotica virgifera and Diabrotica undecim- punctata howardi;
Scarab aeidae such as Anomala cuprea and Anomala rufocuprea;
CurcuHonidae such as Sitophilus zeamais, Lissorhoptrus oryzophilus, and Callosobruchuys chienensis
Ttenebrionidae such as Tknebrio molitor and Tribolium castaneum; Chrysomehdae such as Oulema oryzae, Aulacophora femoralis, Phyl- lotreta striolata, and Leptinotarsa decemlineata;
Anobndae;
Epilachna spp. such as Epilachna vigintioctopunctata;
Lyctidae; Bostrychidae;
Cerambycidae;
Paederus fuscipes;
Dictyoptera:
Blattella germanica, Periplaneta fuliginosa, Periplaneta americana, Periplaneta brunnea, and Blatta orientalis
Thysanoptera:
Thrips palmi, Thrips tabaci, Frankliniella occidentalis, Frankliniella intonsa;
Hymenoptera:
Formicidae;
Vespidae;
Bethyhdae; Tenthredinidae such as Athalia japonica;
Orthoptera:
GryUotalpidae;
Acrididae;
Siphonaptera: Ctenocephalides felis, Ctenocephalides cam's, Pulex irritans, Xeno- psylla cheopis,
Anoplura:
Pediculus humanus corporis, Phthirus pubis, Haematopinus eurys- ternus, and Dalmalinia ovis; Isoptera:
Reticulitermes speratus and Coptotermes formosanus,
Acarina:
Tetranychidae such as Tetranychus urticae, Tetranychus kanzawai, Panonychus citri, Panonychus ulmi, and Ohgonychus spp.; Eriophyidae such as Aculops pelekassi and Aculus schlechtendali;
Tarsonemidae such as Polyphagotarsonemus latus
Tenuipalpidae;
TuckerelHdae;
Ixodidae such as Haemaphysalis longicornis, Haemaphysalis flava, Dermacentor taiwanicus, Ixodes ovatus, Ixodes persulcatus, and Boophilus microplus
Acaridae such as Tyrophagus putrescentiae; Epidermoptidae such as Derma tophagoides farinae and Dermato- phagoides ptrenyssnus
Cheyletidae such as Cheyletus eruditus, Cheyletus malaccensis, and Cheyletus moorei;
Dermanyssidae; Arachnida:
Chiracanthium japonicum and Latrodectus hasseltii;
Chilopoda:
Thereuonema hilgendorfi and Scolopendra subspinipes
Diplopoda: Oxidus gracilis and Nedyopus tamban us;
Isopoda:
ArmadilHdium vulgare;
Gastropoda:
Limax margina tus and Limax fla vus; Nematoda:
Pratylenchus coffeae, Pratylenchus fallax, Heterodera glycines, Glo- bodera rostochiensis, Meloidogyne hapla, and Meloidogyne incognita.
When the present compounds are used as the active ingredients of pesticide compositions, they may be used as such without addition of any other ingredients. However, they are usuaUy used in admixture with soHd carriers, Hquid carriers and/or gaseous carriers, and if necessary, by addition of adjuvants such as surfactants, followed by formulation into various forms such emulsifiable concentrates, oil formulations, flowables, dusts, wettable
powders, granules, paste formulations, microcapsule formulations, foams, aerosol formulations, carbon dioxide gas formulations, tablets, or resin formulations. These formulations may be used by processing into poison baits, shampoo, mosquito coils, electric mosquito mats, smokes, fumigants, or sheets.
In these formulations, the present compounds are usually contained each in an amount of 0.1% to 95% by weight.
The soHd carrier which can be used in the formulation may include the following materials in fine powder or granular form: clays (e.g., kaolin clay, diatomaceous earth, bentonite, Fubasami clay, acid clay); talc, ceramic, and other inorganic minerals (e.g., sericite, quartz, sulfur, activated carbon, calcium carbonate, hydrated silica); and chemical fertilizers (e.g., ammonium sulfate, ammonium phosphate, ammonium nitrate, ammonium chloride, urea). The liquid carrier may include aromatic or aHphatic hydrocarbons
(e.g., xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosine, Hght oils, hexane, cyclohexane); halogenated hydrocarbons (e.g., chlorobenzene, dichloromethane, dichloroethane, trichloroethane); alcohols (e.g., methanol, ethanol, isopropyl alcohol, butanol, hexanol, ethylene glycol); ethers (e.g., diethyl ether, ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran, dioxane); esters (e.g., ethyl acetate, butyl acetate); ketones (e.g., acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone); nitriles (acetonitrile, isobutyronitrile); sulfoxides (e.g., dimethylsulfoxide); acid amides (e.g., N,N-dimethyh°Ormamide, N,N-dimethylacetamide); vegetable oils (e.g., soy bean oil and cotton seed oil); plant essential oils (e.g., orange oil, hyssop oil, lemon oil); and water.
The gaseous carrier may include butane gas, Freon gas, liquefied
petroleum gas (LPG), dimethyl ether, and carbon dioxide.
The surfactant may include alkyl sulfate salts; alkylsulfonic acid salts; alkylarylsulfonic acid salts; alkyl aryl ethers and their polyoxy ethylene derivatives; polyethylene glycol ethers; polyol esters; and sugar alcohol deri- vatives.
The other adjuvants may include binders, dispersants, and stabilizers, specific examples of which are casein, gelatin, polysaccharides (e.g., starch, gum arabic, cellulose derivatives, alginic acid), Hgnin derivatives, bentonite, sugars, synthetic water-soluble polymers (e.g., polyvinyl alcohol, polyvinylpyrrohdone, polyacryHc acid), PAP (isopropyl acid phosphate), BHT (2,6-di-t-butyl-4-methylphenol), BHA (mixtures of 2-t-butyl-4-methoxyphe- nol and 3-t-butyl-4-methoxyphenol), vegetable oils, mineral oils, fatty acids, and fatty acid esters.
The base material for resin formulations may include vinyl chloride polymers and polyurethanes. These base materials may contain, if necessary, plasticizers such as phthahc acid esters (e.g., dimethyl phthalate, di- octyl phthalate), adipic acid esters, and stearic acid. The resin formulations can be obtained by kneading the present compounds into the base materials with an ordinary kneader and subsequent forming such as injection molding, extrusion, or pressing. They can be processed, if necessary, though further forming and cutting into resin formulations in various shapes such as plates, films, tapes, nets, or strings. These resin formulations are processed as, for example, coUars for animals, ear tags for animals, sheet formulations, attractive strings, or poles for horticultural use. The base material for poison baits may include grain powders, vegetable oils, sugars, and crystalline cellulose. If necessary, additional agents may be added, including antioxidants such as dibutylhydroxytoluene and nordihydroguaiaretic acid; preservatives such as dehydroacetic acid; agents
for preventing children and pets from erroneously eating, such as hot pepper powder; and pest-attractive flavors such as cheese flavor, onion flavor, and peanut oil.
The pesticide compositions of the present invention may be used by, for example, direct appHcation to pests and/or apphcation to the habitats of pests (e.g., plant bodies, animal bodies, soil).
When the pesticide compositions of the present invention are used for the control of pests in agriculture and forestry, their apphcation amounts are usuaUy 1 to 10,000 g/ha, preferably 10 to 500 g/ha. Formulations such as emulsifiable concentrates, wettable powders, flowables, and microcapsule formulations are usuaUy used after chlution with water to have an active ingredient concentration of 1 to 1000 ppm, while formulations such as dusts and granules are usuaUy used as such. These formulations may be directly appHed to plants to be protected from pests. These formulations can also be incorporated into soil for the control of pests inhabiting the soU, or can also be appHed to beds before planting or applied to planting holes or plant bottoms in the planting. Further, the pesticide compositions of the present invention in the form of sheet formulations can be appHed by the methods in which the sheet formulations are wound around plants, disposed in the vi- cinity of plants, or laid on the soil surface at the plant bottoms.
When the pesticide compositions of the present invention are used for the prevention of epidemics, their appHcation amounts as active ingredient amounts are usuaUy 0.001 to 10 mg/m3 for spatial appHcation or 0.001 to 100 mg/m2 for planar appHcation. Formulations such as emulsifiable concen- trates, wettable powders, and flowables are usuaUy appHed after dUution with water to have an active ingredient concentration of 0.01 to 10,000 ppm, while formulations such as oU formulations, aerosols, smokes, or poison baits are usuaUy appHed as such.
When the pesticide compositions of the present invention are used for the control of external parasites on domestic animals such as cattle, sheep, goat, and fowl or smaU animals such as dogs, cats, rats, and mice, they can be used by the veterinarUy weU-known methods. As the specific methods of use, administration is achieved by, for example, tablets, feed incorporation, suppositories, or injections (e.g., intramuscular, subcutaneous, intravenous, intraperitoneal) for systemic control, or by, for example, spraying, pour-on treatment, or spot-on treatment with an oU formulation or an aqueous solution, washing animals with a shampoo formulation, or attachment of a coUar or ear tag prepared from a resin formulation to animals for non-systemic control. The amounts of the present compounds when administered to animal bodies are usuaUy in the range of 0.1 to 1000 mg per 1 kg weight of each animal.
The pesticide compositions of the present invention can also be used in admixture or combination with other insecticides, nematocides, acaricides, bactericides, fungicides, herbicides, plant growth regulators, s nergists, fer- tiHzers, sofl conditioners, animal feeds, and the Hke.
Examples of the insecticides and acaricides include organophos- phorus compounds such as fenitrothion [0,0-dimethyl 0-(3-methyl-4-nitro- phenyl) phosphorothioate], fenthion [0,0-dimethyl 0-(3-methyl~4-(methyl- thio)phenyl) phosphorothioate], diazinon [0,0-diethyl 0-2-isopropyl-6- methylpyrimidin-4-yl phosphorothioate], chlorpyrifos [0,0-diethyl 0-3,5,6- trichloro-2-pyridyl phosphorothioate], DDVP [2,2-dichlorovinyl dimethyl phosphate], cyanophos [O-4-cyanophenyl 0,0-dimethyl phosphorothioate], dimethoate [0,0-dimethyl S-(N-methylcarbamoylmethyl) dithiophosphate], phenthoate [ethyl 2-dimethoxyphosphinothioylthio(phenyl)acetate], mala- thion [diethyl (dimethoxyphosphinothioylthio)succinate], and azinphos- methyl [S-3,4-dihydro-4-oxo- l,2,3-benzotriazin-3-ylmethyl 0,0-dimethyl
phosphorodithioate]; carbamate compounds such as BPMC (2-sec-butyl- phenyl methylcarbamate), benfracarb [ethyl N-[2,3-dihydro-2,2-dimethyl- benzofuran-7-yloxycarbonyl (methyl)aminothio]-N-isopropyl-β-alaninate], propoxur [2-isopropoxyphenyl N-methylcarbamate] and carbaryl [1-naphthyl N-methylcarbamate]; pyrethroid compounds such as etofenprox [2-(4- ethoxyphenyl)-2-methylpropyl 3-phenoxybenzyl ether], fenvalerate [(RS)-α- cyano-3-phenoxybenzyl (RS)-2-(4-chlorophenyl)-3-methyl-butyrate], esfen- valerate [(S)-α-cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyι)-3-methyl- butyrate], fenpropathrin [(RS)-α-cyano-3-phenoxybenzyl 2,2,3,3-tetra- methylcyclopropanecarboxylate], cypermethrin [(RS)-α-cyano-3-phenoxy- benzyl (lRS)-cis,trans-3-(2,2-(Hchlorovinyl)-2,2-dimethylcyclopropanecar- boxylate], permethrin [3-phenoxybenzyl (lRS)-cis, trans-3-(2,2-dichloro- vinyl)-2,2-dimethylcyclopropanecarboxylate], cyhalothrin [(RS)-α-cyano-3- phenoxybenzyl (Z)-(lRS)-cis-3-(2-chloro-3,3,3-trifl.uoroprop-l-enyl)-2,2-di- methylcyclopropanecarboxylate], deltamethrin [(S)-α-cyano-3-phenoxy- benzyl (lR)-cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropane-carboxylate], cycloprothrin [(RS)-α-cyano-3-phenoxybenzyl (RS)-2,2-dichloro- l-(4-ethoxy- phenyl)cyclopropanecarboxylate], fluvaHnate [α-cyano-3-phenoxybenzyl N- (2-chloro-α,α,α-trifluoro-p-tolyl)-D-vaHnate], bifenthrin [2-methylbiphenyl-3- ylmethyl (Z)-(lRS)-cis-3-(2-chloro-3,3,3-trifluoroprop- l-enyl)-2,2-dimethyl- cyclopropanecarboxylate], 2-methyl-2-(4-bromodifluoro-methoxyphenyl)- propyl 3-phenoxybenzyl ether, tralomethrin [(S)-α-cyano-3-phenoxybenzyl (lR-cis)-3-{(lRS)(l,2,2,2-tetrabromoethyl)}-2,2-dimethyl-cyclopropanecarbox- ylate] , sUafluofen [(4-ethoxyphenyl){3-(4-fluoro-3-phenoxyphenyl)propyl}- dimethylsUane], d-phenothrin [3-phenoxybenzyl (lR-cis,trans)-chrysan- themate], cyphenothrin [(RS)-α-cyano-3-phenoxybenzyl (lR-cis,trans)-chry- santhemate], d-resmethrin [5-benzyl-3-furylmethyl (lR-cis,trans)-chrysan- themate], acrinathrin [(S)-α-cyano-3-phenoxybenzyl (lR,cis(Z))-2,2-dimeth-
yl-3-{3-oxo-3-(l,l,l,3,3,3-hexafluoropropyloxy)propenyl}cyclopropanecarbox- ylate], cyfluthrin [(RS)-α-cyano-4-fluoro-3-phenoxybenzyl 3-(2,2-dichloro- vinyl)-2,2-dimethylcyclopropanecarboxylate], tefluthrin [2,3,5,6-tetrafluoro- 4-methylbenzyl (lRS-cis(Z))-3-(2-chloro-3,3,3-trifluoroprop-l-enyl)-2,2-di- methylcyclopropanecarboxylate], transfluthrin [2,3,5,6-tetrafluorobenzyl (lR-trans)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate], tetra- methrin [3,4,5,6 -tetrahy drophthahmidomethyl ( IRS) -cis, trans-chrysan - themate], aUethrin [(RS)-3-aUyl-2-methyl-4-oxocyclopent-2-enyl (1RS)- cis,trans-chrysanthemate] , praUethrin [(S)-2-methyl-4-oxo-3-(2-propynyl) cyclop ent-2-enyl (lR)-cis,trans-chrysanthemate], empenthrin [(RS)-l-ethy- nyl-2-methyl-2-pentenyl (lR)-cis,trans-chrysanthemate], imiprothrin [2,5- dioxo-3-(prop-2-ynyl)imidazoHdin-l-ylmethyl (lR)-cis,trans-2,2-dimethyl-3- (2-methylprop- l-enyl)cyclopropanecarboxylate] , d-furamethrin [5-(2-pro- pynyl) furfuryl (lR)-cis,trans-chrysanthemate] and 5-(2-propynyl)furfuryl 2,2,3,3-tetramethylcyclopropanecarboxylate; neonicotinoid derivatives such as N-cyano-N'-methyl-N'-(6-chloro-3-pyridylmethyl) acetamidine; niten- pyram [N-(6-chloro-3-pyridylmethyl)-N-ethyl-N'-methyl-2-nitrovynyhdene- diamine]; thiacloprid [l-(2-chloro-5-pyridylmethyl)-2-cyanoiminothiazoline]; thiamethoxam [3-((2-chloro-5-thiazolyl)methyl)-5-methyl-4-nitroiminotetra- hydro-l,3,5-oxadiazine], l-methyl-2-nitro-3-((3-tetrahydrofuryl)methyl)- guanidine and l-(2-chloro-5-thiazolyl)methyl-3-methyl-2-nitroguanidine; nitroiminohexahydro-l,3,5-triazine derivatives; chlorinated hydrocarbons such as endosulfan [6,7,8,9, 10, 10-hexachloro- 1,5, 5a,6,9,9a-hexahydro-6,9- methano-2,4,3-benzodioxathiepine oxide], γ-BHC [1,2,3,4,5,6-hexachloro- cyclohexane] and l,l-bis(chlorophenyl)-2,2,2-trichloroethanol; benzoyl- phenylurea compounds such as chlorfluazuron [l-(3,5-dichloro-4-(3-chloro-5- trifluorornethylpyridyn-2-yloxy)phenyl)-3-(2,6-difluorobenzoyl)urea], teflu- benzuron [l-(3,5-dicMoro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea]
and flufenoxuron [l-(4-(2~chloro-4-trifluoromethylphenoxy)-2 -fluorophenyl) - 3-(2,6-difluorobenzoyl)urea]; juvenUe hormone like compounds such as pyri- proxyfen [4-phenoxyphenyl 2-(2-pyridyloxy)propyl ether], methoprene [isopropyl (2E,4E)-ll-methoxy-3,7,ll-trimethyl-2,4-dodecadienoate] and hydro- prene [ethyl (2E,4E)-ll-methoxy-3,7,ll-trimethyl-2,4-dodecadienoate]; thio- urea derivatives such as diafenthiuron [N-(2,6-diisopropyl-4-phenoxyphen- yl)-N'-tert-butylcarbo(Himide]; phenylpyrazole compounds; 4-bromo-2-(4- chlorophenyl)-l-ethoxymethyl-5-trifluoromethylpyrrol-3-carbonitrUe [chlor- fenapU]; metoxadiazone [5-methoxy-3-(2-methoxyphenyl)- 1,3,4-oxadiazol- 2(3H)-one], bromopropylate [isopropyl 4,4'-dibromobenzUate], tetradifon [4- chlorophenyl 2,4,5-trichlorophenyl sulfone], chinomethionat [S,S-6-methyl- quinoxaHne-2,3-diyldithiocarbonate], pyridaben [2-tert-butyl-5-(4-tert- butylbenzylthio)-4-chloropyridazin-3(2H)-one] , fenpyroximate [tert-butyl (E)-4-[(l,3-dimethyl-5-phenoxypyrazol-4-yl)methyleneaminooxymethyl]ben- zoate], tebufenpyrad [N-(4-tert-butylbenzyl)-4-chloro-3-ethyl-l-methyl-5- pyrazolecarboxamide], polynactins complex [tetranactin, dinactin and trinactin] , pyrinήdifen [5-chloro-N- [2-{4-(2-ethoxyethyl)-2 ,3-dimethylphen- oxy}ethyl]-6-ethylpyrimidin-4-amine], mUbemectin, abamectin, ivermectin and azadirachtin [AZAD]. Examples of the synergists include bis-(2, 3,3,3- tetrachloropropyl) ether (S-421), N-(2-ethylhexyl)bicyclo[2.2.1]hept-5-ene- 2,3-dicarboximide (MGK-264) and α-[2-(2-butoxyethoxy)ethoxy]-4,5-methyl- enedioxy-2-propyltoluene (piperonyl butoxide).
The present invention wiU further be Ulustrated by the following production examples, formulation examples, and test examples; however, the present invention is not limited only to these examples. In the formulation examples, the present compound numbers are those shown in Table 1 below. The foUowing will describe some production examples for the present compounds.
Production Example 1
First, 0.50 g of (4-chlorobenzyl)malononitrfle was dissolved in 10 ml of N,N-dimethylformamide, to which 0.16 g of sodium hydride (60% in oU) was added under ice cooHng. After the evolution of hydrogen gas ceased, while stirring under ice cooHng, 0.48 ml of 2,3-dichloropropene was added dropwise, foUowed by stirring at room temperature for 5 hours. Then, 10% hydrochloric acid was added to the reaction mixture, which was extracted with diethyl ether. The organic layer was successively washed with 10% hydrochloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 0.19 g of 2-(4-chlorobenzyl)-2-(2-chloro-2-propenyl)malononitrUe (the present compound (1)).
Yield: 27%; m.p.: 85.5°C.
Production Example 2
Using 0.50 g of (4-(trifluoromethylthio)benzyl)malononitrUe, 5 ml of
N,N-dimethylformamide, 90 mg of sodium hydride (60% in oU), and 0.26 g of
2,3-dichloropropene, and according to the process described in the Pro- duction Example 1, there was obtained 0.30 g of 2-(2-chloro-2-propenyl)-2-(4-
(trifl.uoromethylthio)benzyl)malononitrUe (the present compound (2)).
Yield: 47%;
Η-NMR (CDC13, TMS, δ (ppm)): 3.05 (2H, s), 3.32 (2H, s), 5.58-5.66 (2H, m), 7.48 (2H, d), 7.73 (2H, d). Production Example 3
Using 0.1 g of benzylmalononitrfle, 5 ml of N,N-dimethylformamide, 0.073 g of cesium carbonate, and 0.1 g of 2,2,2-trifluoroethyl trifluoro- methanesulfonate, and according to the process described in the Production
Example 1, there was obtained 0.057 g of 2-benzyl-2-(2,2,2-trifluqroethyι)- malononitrUe (the present compound (3)).
Yield: 40%;
Η- MR (CDClg, TMS, δ (ppm)): 2.76 (2H, q), 3.36 (2H, s), 7.37-7.47 (5H, m).
Production Example 4
Using 0.1 g of benzylmalononitrUe, 5 ml of N,N-dimethylformamide,
0.010 g of sodium hydride (60% in ofl), and 0.04 g of 4-bromo-l,l,2-trifluoro-
1-butene, and according to the process described in the Production Example 1, there was obtained 0.042 g of 2-benzyl-2-(3,4,4-trifluoro-3-butenyl)- malononitrile (the present compound (4)).
Yield: 57%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.17-2.23 (2H, m), 2.64-2.78 (2H, m), 3.27 (2H, s), 7.34-7.45 (5H, m). Production Example 5
Using 0.3 g of (4-(trifluoromethoxy)benzyl)malononitrUe, 5 ml of N,N-dimethylformamide, 0.073 g of cesium carbonate, and 0.35 g of 2,2,3,3,3-pentafluoropropyl trifluoromethanesulfonate, and according to the process described in the Production Example 1, there was obtained 0.12 g of 2-(2,2,3,3,3-pentafluoropropyl)-2-(4-(trifluoromethoxy)benzyl)malononitrUe (the present compound (5)).
Yield: 29%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.76 (2H, t), 3.38 (2H, s), 7.30 (2H, d), 7.46 (2H, d) Production Example 6
Using 0.3 g of (3,3,3-trifluoropropyl)malononitrUe, 3 ml of N,N- dimethylformamide, 0.08 g of sodium hydride (60% in oU), and 0.4 g of 4- acetylbenzyl bromide, and according to the process described in the Pro-
duction Example 1, there was obtained 0.43 g of 2-(4-acetylbenzyι)-2-(3,3,3- trifluoropropyl)malononitrUe (the present compound (6)).
Yield: 78%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.22-2.34 (2H, m), 2.51-2.61 (2H, m), 2.67 (3H, s), 3.42 (2H, s), 7.50 (2H, d), 7.97 (2H, d).
Production Example 7
Using 0.30 g of (2,6-(Hchloro-4-(trifluoromethyl)benzyl)malononitrUe, 5 ml of N,N-dimethy]formamide, 0.05 g of sodium hydride (60% in oU), and 0.20 g of l-bromo-3,3,3-trifluoropropane, and according to the process described in the Production Example 1, there was obtained 0.21 g of 2-(2,6- dichloro-4-(trifluoromethyl)benzyl)-2 -(3 , 3 , 3-trifluoropropyl)malononitrile (the present compound (7)).
Yield: 53%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.41-2.49 (2H, m), 2.52-2.63 (2H, m), 3.79 (2H, s), 7.68 (2H, s).
Production Example 8
Using 0.30 g of (4-(trifluoromethyl)benzyl)malononitrile, 6 ml of N,N-dimethylformamide, 0.60 g of sodium hydride (60% in oU), and 0.38 g of 4-iodo-l,l,l,2,2-pentafTuorobutane, and according to the process described in the Production Example 1, there was obtained 0.30 g of 2-(3,3,4,4,4-penta- fluorobutyl)-2-(4-(trifluoromethyl)benzyl)malononitrUe (the present compound (8)).
Yield: 54%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.27-2.62 (4H, m), 3.86 (2H, s), 7.53 (2H, d), 7.71 (2H, d).
And there was obtained 15 mg of 2-(3,4,4,4-tetrafluoro-2-butenyl)-2- (4-(trifluoromethyl)benzyl)malononitrUe (the present compound (48)) as low- polar compound.
Yield: 3%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.96 (2H, d), 3.30 (2H, s), 5.78 (1H, dt), 7.53 (2H, d), 7.71 (2H, d).
Production Example 9 Using 3.86 g of (4-bromobenzyl)malononitrile, 25 ml of N,N-di- methylformamide, 0.72 g of sodium hydride (60% in oU), and 3.20 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the Production Example 1, there was obtained 4.61 g of 2-(4-bromobenzyl)-2- (3,3,3-trifluoropropyl)malononitrile (the present compound (9)). Yield: 85%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.18-2.27 (2H, m), 2.45-2.60 (2H, m), 3.22 (2H, s), 7.26 (2H, d), 7.57 (2H, d).
Production Example 10
Using 0.30 g of (4-(trifluoromethoxy)benzyl)malononitrile, 10 ml of N,N-dimethy]formamide, 0.06 g of sodium hydride (60% in oU), and 0.38 g of 4-iodo-l,l,l,2,2-pentafTuorobutane, and according to the process described in the Production Example 1, there was obtained 0.15 g of 2-(3,3,4,4,4-penta- fl.uorobutyl)-2-(4-(trifluoromethoxy)benzyl)malononitrUe (the present compound (10)). Yield: 28%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.21-2.62 (4H, m), 3.30 (2H, s), 7.27 (2H, d), 7.43 (2H, d).
Production Example 11
Under nitrogen atmosphere, 0.40 g of 2-(2-formylethyl)-2-(4- (trifluoromethyl)benzyl)malononitrUe was dissolved in 10 ml of trichloro- fluoromethane, to which 0.20 ml of diethylaminosulfur trifluoride was added ctropwise slowly, and then stirred for 30 minutes. Then, water was added to the reaction mixture, which was extracted with ethyl acetate. The organic
layer was washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 0.15 g of 2-(3,3-ά fluoropropyl)-2-(4-(trifluoromethyl)benzyl)malono- nitrile (the present compound (11)). Yield: 34%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.19-2.34 (4H, m), 3.31 (2H, s), 6.00 (1H, tt), 7.53 (2H, d), 7.71 (2H,d). Production Example 12 Using 0.50 g of benzylmalononitrfle, 10 ml of N,N-dimethyl- formamide, 0.14 g of sodium hydride (60% in oU), and 0.63 g of 1-bromo- 3,3,3-trifTuoropropane, and according to the process described in the Production Example 1, there was obtained 0.14 g of 2-benzyl-2-(3,3,3-trifluoro- propyl)malononitrfle (the present compound (12)). Yield: 17%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.27 (2H, m), 2.45-2.59 (2H, m),
3.28 (2H, s), 7.34-7.48 (5H, m).
Production Example 13
Using 0.50 g of (4-(trifluoromethylthio)benzyl)malononitrUe, 10 ml of N,N-dimethylformamide, 0.09 g of sodium hydride (60% in oU), and 0.38 g of l-bromo-3,3,3-trifluoropropane, and according to the process described in the Production Example 1, there was obtained 0.03 g of 2-(4-(trifluoromethyl- thio)benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (13)). Yield: 11%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.29 (2H, m), 2.51-2.62 (2H, m),
3.29 (2H, s), 7.45 (2H, d), 7.73 (2H, d).
Production Example 14
Using 0.80 g of 2-(3-hydroxj ropyl)-2-(4-(trifluoromethyl)benzyl)- malononitrUe, 8 ml of dichloromethane and 0.3 ml of Diethylaminosulfur trifluoride, and according to the process described in the Production Example
11, there was obtained 0.05 g of 2-(3-fluoropropyl)~2-(4-(trifluoromethyl)ben- zyl)malononitrUe (the present compound (14)).
Yield: 5%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.14-2.20 (4H, m), 3.30 (2H, s), 4.59 (2H, dt), 7.53 (2H, d), 7.69 (2H, d).
Production Example 15 Using 1.00 g of (4-chlorobenzyl)malononitrUe, 10 ml of N,N-di- methylformamide, 1.0 g of sodium hydride (60% in oU), and 0.93 g of 1- bromo-3,3,3-trifTuoropropane, and according to the process described in the Production Example 1, there was obtained 0.21 g of 2-(4-chlorobenzyl)-2- (3,3,3-trifluoropropyl)malononitrile (the present compound (15)). Yield: 22%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.17-2.26 (2H, m), 2.48-2.63 (2H, m), 3.24 (2H, s), 7.32 (2H, d), 7.42 (2H, d).
Production Example 16
Using 1.00 g of (4-fluorobenzyl)malononitrUe, 15 ml of N,N-di- methylformamide, 0.23 g of sodium hydride (60% in oU), and 1.02 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.34 g of 2-(4-fluorobenzyϊ)-2-
(3,3,3-trifluoropropyl)malononitrUe (the present compound (16)).
Yield: 22%; Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.27 (2H, m), 2.47-2.62 (2H, m),
3.24 (2H, s), 7.13 (2H, dd), 7.37 (2H, dd).
Production Example 17
Using 0.50 g of (2,4,6-trifluorobenzyl)malononitrUe, 10 ml of N,N-di-
methylformamide, 0.11 g of sodium hydride (60% in oU), and 0.46 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the Production Example 1, there was obtained 0.07 g of 2-(2,4,6-trifl.uorobenzyl)- 2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (17)). Yield: 10%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.22-2.29 (2H, m), 2.50-2.61 (2H, m), 3.68 (2H, s), 6.82 (2H, dd).
Production Example 18
Using 5.00 g of (4-nitrobenzyl)malononitrUe, 60 ml of N,N-di- methylformamide, 1.10 g of sodium hydride (60% in oU), and 4.85 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.80 g of 2-(4-nitrobenzyl)-2-
(3,3,3-trifluoropropyl)malononitrUe (the present compound (18)).
Yield: 11%; Η-NMR (CDC13, TMS, δ (ppm)): 2.28-2.32 (2H, m), 2.52-2.64 (2H, m),
3.40 (2H, s), 7.58 (2H, d), 8.33 (2H, d).
Production Example 19
Using 1.00 g of (3,4-difluorobenzyl)malononitrUe, 10 ml of N,N-di- methylformamide, 0.20 g of sodium hydride (60% in oU), and 1.38 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.32 g of 2-(3,4-difluorobenzyl)-2-
(3,3,3-trifluoropropyl)malononitrUe (the present compound (19)).
Yield: 21%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.20-2.29 (2H, m), 2.50-2.61 (2H, m), 3.22 (2H, s), 7.11-7.15 (2H, m), 7.21-7.31 (2H, m).
Production Example 20
Using 0.50 g of (4-chlorobenzyl)malononitrfle, 5 ml of N,N-di- methylformamide, 0.12 g of sodium hydride (60% in oU), and 0.30 ml of
1,1,3-trichloropropene, and according to the process described in the Production Example 1, there was obtained 0.52 g of 2-(4-chlorobenzyl)-2-(3,3- dichloro-2-propenyl)malononitrUe (the present compound (20)).
Yield: 66%; m.p.: 67.5°C.
Production Example 21
Using 2.00 g of (3,4-dichlorobenzyl)malononitrile, 20 ml of N,N-di- methylformamide, 0.36 g of sodium hydride (60% in oU), and 2.37 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the Production Example 1, there was obtained 0.42 g of 2-(3,4-dichlorobenzyl)-2-
(3,3,3-trifluoropropyl)malononitrUe (the present compound (21)).
Yield: 45%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.22-2.29 (2H, m), 2.50-2.62 (2H, m), 3.21 (2H, s), 7.25 (1H, d), 7.51 (2H, dd). Production Example 22
Using 1.00 g of (4-cyanobenzyl)malononitιile, 10 ml of N,N-di- methylformamide, 0.36 g of sodium hydride (60% in oU), and 2.37 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.42 g of 2-(4-cyanobenzyl)-2- (3,3,3-trifluoropropyl)malononitrUe (the present compound (22)).
Yield: 22%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.25-2.30 (2H, m), 2.51-2.62 (2H, m), 3.31 (2H, s), 7.53 (2H, d), 7.76 (2H, d).
Production Example 23 Using 1.00 g of (4-chlorobenzyl)malononitrile, 10 ml of N,N-di- methylformamide, 0.21 g of sodium hydride (60% in oU), and 1.44 g of 4- iodo-l,l,l,2,2-pentafluorobutane, and according to the process described in the Production Example 1, there was obtained 0.47 g of 2-(4-chlorobenzyl)-2-
(3,3,4,4,4-pentafluorobutyl)malononitrUe (the present compound (23)).
Yield: 28%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.25-2.32 (2H, m), 2.41-2.53 (2H, m), 3.25 (2H, s), 7.33 (2H, d), 7.43 (2H, d). Production Example 24
Using 1.00 g of (4-chlorobenzyl)malononitrUe, 10 ml of N,N-di- methylformamide, 0.21 g of sodium hydride (60% in oU), and 0.67 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.30 g of 2-(4-chlorobenzyl)-2-(2- fluoroethyl)malononitrfle (the present compound (24)).
Yield: 22%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.39(2H, dt), 3.27 (2H, s), 4.83 (2H, dt), 7.34 (2H, d), 7.41 (2H, d).
Production Example 25 Using 1.0 g of (4-chlorobenzyl)malononitrUe, 15 ml of N,N-di- methylformamide, 0.073 g of cesium carbonate, and 1.47 g of 2,2,3,3-tetra- fluoropropyl trifluoromethanesulfonate, and according to the process described in the Production Example 1, there was obtained 0.12 g of 2-(4- chlorobenzyl)-2-(2,2,3,3-tetrafluoropropyl)malononitrUe (the present com- pound (25)).
Yield: 7%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.69 (2H, t), 3.31 (2H, s), 5.87 (1H, tt), 7.34 (2H, d), 7.41 (2H, d).
Production Example 26 First, 0.55 g of 4-iodobenzyl bromide was dissolved in 10 ml of N,N- dimethylformamide, to which the suspension of O.llg of sodium hydride
(60% in oU) and 0.30g of (3,3,3-trifluoropropyl)malononitrUe in 5ml of N,N- dimethylformamide was added dropwise, whUe stirring under ice cooHng.
After stirring for 4 hours at 0°C, 10% hydrochloric acid was added to the reaction mixture at room temperature, which was extracted with ethyl acetate. The organic layer was successively washed with water, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to sihca gel column chromatography to give 0.16 g of 2-(4-iodobenzyl)-2- (3,3,3-trifluoropropyl)malononitrUe (the present compound (26)).
Yield: 22%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.17-2.23 (2H, m), 2.49-2.60 (2H, m), 3.22 (2H, s), 7.11 (2H, d), 7.78 (2H, d).
Production Example 27
Using 0.15 g of (4-vinylbenzyl)chloride, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in ofl) and 0.17 g of (3,3,3-tri- fluoropropyl)malononitrile, and according to the process described in the Production Example 27, there was obtained 0.18 g of 2 -(3, 3, 3 -trifluoro - propyl)-2-(4-vinylbenzyl)malononitrUe (the present compound (27)).
Yield: 63%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.24 (2H, m), 2.48-2.63 (2H, m), 3.26 (2H, s), 5.32 (2H, d), 5.80 (2H, d), 6.72 (2H, dd), 7.33 (2H, d), 7.41 (2H, d).
Production Example 28
Using 0.20 g of (4-(trifluoromethoxy)benzyl)malononitrUe, 5 ml of
N,N-chmethyHormamide, 50 mg of sodium hydride (60% in oU), and 0.17 ml of 1,1,3-tri.chloropropene, and according to the process described in the Pro- duction Example 1, there was obtained 80 mg of 2-(3,3-dichloro-2-propenyl)-
2-(4-(trifluoromethoxy)benzyl)malononitrUe (the present compound (28)).
Yield: 28%; m.p.: 96.5°C.
Production Example 29
Using 0.20 g of (4-(trifluoromethoxy)benzyl)malononitrUe, 5 ml of
N,N-dimethylformamide, 50 mg of sodium hydride (60% in oU), and 0.46 g of
1,1,3-tribromopropene, and according to the process described in the Pro- duction Example 1, there was obtained 0.16 g of 2-(3,3-dibromo-2-propenyl)-
2-(4-(trifluoromethoxy)benzyl)malononitrUe (the present compound (29)).
Yield: 44%; m.p.: 126.7°C.
Production Example 30 Using 0.23 g of 3-nitro-4-methylbenzyl bromide, 3 ml of N,N-di- methy]formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.10 g of 2-(3-nitro-4-methyl- benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (30)). Yield: 31%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.25-2.30 (2H, m), 2.49-2.61 (2H, m), 2.65 (3H, s), 3.31 (2H, s), 7.45 (1H, d), 7.55 (1H, d), 8.00 (1H, s).
Production Example 31
Using 0.16 g of 4-ethylbenzyl chloride, 3 ml of N,N-dimethylform- amide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifluoro- propyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.14 g of 2-(4-ethylbenzyl)-2-(3,3,3- trifluoropropyl)malononitrUe (the present compound (31)).
Yield: 50%; Η-NMR (CDClg, TMS, δ (ppm)): 1.25 (3H, t), 2.04-2.23 (2H, m), 2.50-
2.58 (2H, m), 3.23 (2H, s), 7.24-7.28 (4H, m).
Production Example 32
Using 0.20 g of 3-methoxybenzyl bromide, 3 ml of N,N-dimethyl-
formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-tri- fluoropropyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.09 g of 2-(3-methoxybenzyl)-2- (3,3,3-trifluoropropyl)malononitrUe (the present compound (32)). Yield: 33%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.19-2.22 (2H, m), 2.48-2.59 (2H, m), 3.24 (2H, s), 3.83 (3H, s), 6.90-7.00 (3H, m), 7.31 (1H, m).
Production Example 33
Using 0.23 g of 4- t butylbenzyl bromide, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrUe, and according to the process described in the
Production Example 26, there was obtained 0.14 g of 2-(4-t butylbenzyl)-2-
(3,3,3-trifluoropropyl)malononitrUe (the present compound (33)).
Yield: 47%; Η-NMR (CDC13, TMS, δ (ppm)): 1.33 (9H, s), 2.20-2.24 (2H, m), 2.48-
2.59 (2H, m), 3.24 (2H, s), 7.29 (2H, d), 7.43 (2H, d).
Production Example 34
Using 0.22 g of 4-(methylthio)benzyl bromide, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-tri- fluoropropyl)malononitrUe, and according to the process described in the
Production Example 26, there was obtained 0.15 g of 2 -(4- (methylthio) - benzyl)-2-(3,3,3-trifluoropropyl)malononitiile (the present compound (34)).
Yield: 50%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.17-2.22 (2H, m), 2.43-2.53 (2H, m), 2.50 (3H, s), 3.16 (2H, s), 7.29 (4H, s).
Production Example 35
Using 0.21 g of 4-isopropylbenzyl bromide, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-tri-
fluoropropyl)malononitrfle, and according to the process described in the Production Example 26, there was obtained 0.24 g of 2-(4-isopropylbenzyl)- 2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (35)).
Yield: 85%; Η-NMR (CDClg, TMS, δ (ppm)): 1.27 (6H, d), 2.20-2.23 (2H, m),
2.51-2.60 (2H, m), 3.36 (2H, s), 7.26 (4H, s).
Production Example 36
Using 0.24 g of 3-(trifluoromethyl)benzyl bromide, 3 ml of N,N-di- methylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrfle, and according to the process described in the
Production Example 26, there was obtained 0.17 g of 2-(3-(trifluoromethyl)- benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (36)).
Yield: 53%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.21-2.29 (2H, m), 2.48-2.62 (2H, m), 3.33 (2H, s), 7.52-7.72 (3H, m).
Production Example 37
Using 0.14 g of 3-metylbenzyl chloride, 3 ml of N,N-dimethylform- amide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifluoro- propyl)malononitrfle, and according to the process described in the Pro- duction Example 26, there was obtained 0.17 g of 2-(3-methylbenzyI)-2-
(3,3,3-trifluoropropyl)malononitrUe (the present compound (37)).
Yield: 62%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.18-2.23 (2H, m), 2.36 (3H, s), 2.47- 2.59 (2H, m), 3.23 (2H, s), 7.16 (1H, s)7.22-7.33 (3H, m).
Production Example 38
Using 0.21 g of 2-chloro-4-nitrobenzyl chloride, 3 ml of N,N-di- methylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-
trifluoropropyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.15 g of 2-(2-chloro-4-nitro- benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (38)).
Yield: 46%; Η-NMR (CDC13, TMS, δ (ppm)): 2.32-2.36 (2H, m), 2.49-2.60 (2H, m),
3.60 (2H, s), 7.60 (1H, d), 8.23 (1H, d), 8.39 (1H, s).
Production Example 39
Using 0.28 g of 3-chloro-4-(trifluoromethyl)benzyl chloride, 3 ml of N,N-dimethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifluoropropyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.25 g of 2-(3-chloro-4- (trifluoromethyl)benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (39)).
Yield: 70%; Η-NMR (CDC13, TMS, δ (ppm)): 2.26-2.30 (2H, m), 2.52-2.63 (2H, m),
3.28 (2H, s), 7.24 (1H, d), 7.29 (1H, d), 7.70 (1H, dd).
Production Example 40
Using 0.23 g of 2,3-dimethoxybenzyl bromide, 3 ml of N,N-di- methylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrUe, and according to the process described in the
Production Example 26, there was obtained 0.26 g of 2-(2,3-dimethoxy- benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (40)).
Yield: 80%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.18-2.22 (2H, m), 2.46-2.57 (2H, m), 3.37 (2H, s), 3.88 (3H, s), 3.90 (3H, s), 6.95-7.11 (2H, d).
Production Example 41
Using 0.10 g of 2-chloro-4-(trifluoromethyl)benzyl bromide, 3 ml of N,N-dimethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of
(3,3,3-trifluoropropyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.05 g of 2-(2-chloro-4- (trifluoromethyl)benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (41)). Yield: 39%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.21-2.35 (2H, m), 2.49-2.63 (2H, m), 3.56 (2H, s), 7.62 (1H, d), 7.68 (1H, d), 7.78 (1H, s).
Production Example 42
Using 2.05g of 2-(l-(4-chlorophenyl)ethyl)malononitrUe, 10 ml of N,N-chmethylformamide, 1.38 g of potassium carbonate, and 1.77 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.49 g of 2-(l-(4-chlorophenyl)- ethyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (42)).
Yield: 17%; Η-NMR (CDClg, TMS, δ (ppm)): 1.71 (3H, d), 1.86-2.14 (2H,m), 2.40-
2.60 (2H,m), 3.22 (lH,q), 7.27 (2H,d), 7.39 (2H,d).
Production Example 43
First, 1.00 g of 2-(3,3,3-trifluoropropyl)-2-(4-vinylbenzyl)malono- nitiile (the present compound (27)) was dissolved in 10ml of chloroform, to which 0.5 g of bromine dissolved in 8 ml of chloroform was added dropwise slowly, whUe stirring under ice cooling, foUowed by further stirring for 5 hours. Then, water was added to the reaction mixture, which was extracted with chloroform. The organic layer was successively washed with water and a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to sihca gel column chromatography to give 1.07 g of 2-(4-(l,2-dibromoethyl)benzyl)-2-(3,3,3-trifluoropropyl)malononitrile (the present compound (43)).
Yield: 68%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.22-2.26 (2H, m), 2.49-2.61 (2H, m), 3.27 (2H, s), 3.97 (1H, t), 4.07 (1H, dd), 5.14 (1H, dd), 7.39 (2H, d), 7.48 (2H, ). Production Example 44
Using 0.51 g of (2-chloro-4-fluorobenzyl)malononitrUe, 5 ml of N,N- dimethylformamide, 0.12 g of sodium hydride (60% in oU), and 0.34 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.21 g of 2-(2-chloro-4-fluoro- benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (44)).
Yield: 34%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.27-2.31 (2H, m), 2.50-2.62 (2H, m), 3.48 (2H, s), 7.07 (1H, m), 7.26 (1H, m), 7.53 (1H, m).
Production Example 45 Using 0.49 g of 3-metyl-4-nitrobenzyl methanesulfonate, 5 ml of
N,N-dimethylformamide, 0.10 g of sodium hydride (60% in on), and 0.3 g of (3,3,3-trifluoropropyl)malononitrile, and according to the process described in the Production Example 26, there was obtained 0.51 g of 2-(3-methyl-4- nitrobenzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (45)).
Yield: 82%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.14-2.30 (2H, m), 2.51-2.65 (2H, m), 2.66 (3H, s), 7.37 (1H, d), 7.39 (1H, d), 8.03 (1H, dd).
Production Example 46 Using 0.32 g of (4-cyanobenzyl)malononitιile, 7 ml of N,N-di- methylformamide, 0.12 g of sodium hydride (60% in oU), and 0.25 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.10 g of 2-(4-cyanobenzyl)-2-(2-
fluoroethyl)malononitnle (the present compound (46)).
Yield: 22%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.45 (2H, dt), 3.36 (2H, s), 4.85 (2H, dt), 7.55 (2H, d), 7.75 (2H, d). Production Example 47
Using 0.40 g of (4-nitrobenzyl)malononitrUe, 5 ml of N,N-dimethyl- formamide, 0.12 g of sodium hydride (60% in oU), and 0.25 g of l-bromo-2- fluoroethane, and according to the process described in the Production
Example 1, there was obtained 0.10 g of 2-(4-rήtrobenzyl)-2-(2-fluoroethyl)- malononitrile (the present compound (47)).
Yield: 22%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.47 (2H, dt), 3.41 (2H, s), 4.86 (2H, dt), 7.61 (2H, d), 8.30 (2H, d).
Production Example 48 Using 0.50 g of (4-(trifluoromethoxy)benzyl)malononitrUe, 9 ml of
N,N-dimethylformamide, 96 mg of sodium hydride (60% in oU), and 0.79 g of 4-bromo-l,l,2-trifluoro-l-butene, and according to the process described in the Production Example 1, there was obtained 0.19 g of 2-(3,4,4-trifluoro-3- butenyl)-2-(4-(trifluoromethoxy)benzyl)malononitrile (the present compound (49)).
Yield: 27%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.19-2.26(2H, m), 2.66-2,81(2H, m), 3.26(2H, s), 7.28(2H, d), 7.43(2H, d).
Production Example 49 Using 0.50 g of (4-(trifluoromethoxy)benzyl)malononitrUe, 8 ml of
N,N-dimethylformamide, 96 mg of sodium hydride (60% in oU), and 0.74 g of l-bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.14 g of 2-(3,3,3-trifluoropropyι)-
2-(4-(trifluoromethoxy)benzyl)malononitrUe (the present compound (50)).
Yield: 21%;
1 H-NMR (CDClg , TMS, δ (ppm)): 2.21-2.28 (2H, m), 2.46-2.61 (2H, m), 3.27 (2H, s), 7.27 (2H, d), 7.44 (2H, d). Production Example 50
Using 0.47 g of (4-bromobenzyl)malononitrile, 5 ml of N,N-di- methylformamide, 0.12 g of sodium hydride (60% in oU), and 0.25 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.27 g of 2-(4-bromobenzyl)-2-(2- fluoroethyl)malononitrile (the present compound (51)).
Yield: 48%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.39 (2H, dt), 3.26 (2H, s), 4.83 (2H, dt), 7.22 (2H, d), 7.55 (2H, d).
Production Example 51 Using 0.37 g of (4-methoxybenzyl)malononitrile, 5 ml of N,N-di- methylformamide, 0.12 g of sodium hydride (60% in oU), and 0.25 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.23 g of 2-(2-fluoroethyl)-2-(4- methoxybenzyl)malononitrile (the present compound (52)). Yield: 49%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.35 (2H, dt), 3.22 (2H, s), 3.76 (3H, s), 4.80 (2H, dt), 6.91 (2H, d), 7.28 (2H, d).
Production Example 52
Using 0.41 g of 2-(l-(4-chlorophenyl)ethyl)malononitrUe, 5 ml of N,N-dimethylformamide, 0.12 g of sodium hydride (60% in o ), and 0.25 g of l-bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.22 g of 2-(l-(4-chlorophenyl)ethyl)- 2-(2-fluoroethyl)malononitrile (the present compound (53)).
Yield: 44%;
Η-NMR (CDC13, TMS, δ (ppm)): 1.71 (3H, d), 2.04-2.33 (2H, m)3.30 (1H, q), 4.80 (2H, dt), 7.28 (2H, d), 7.37 (2H, d).
Production Example 53 Using 0.50 g of (4-(trifluoromethylthio)benzyl)malononitrUe, 10 ml of
N,N-dimethylformamide, 86 mg of sodium hydride (60% in oU), and 0.74 g of 4-bromo-l,l,2-trifluoro-l-butene, and according to the process described in the Production Example 1, there was obtained 0.12 g of 2-(3,4,4-trifluoro-3- butenyl)-2-(4-(trifluoromethylthio)benzyl)malononitrUe (the present com- pound (54)).
Yield: 17%;
X H-NMR (CDClg , TMS, δ (ppm)): 2.20-2.27 (2H, m), 2.68-2.82 (2H, m), 3.28 (2H, s), 7.45 (2H, d), 7.72 (2H, d).
Production Example 54 Using 0.45 g of (4-(trifluoromethyl)benzyl)malononitrUe, 5 ml of
N,N-dimethylforrnamide, 0.12 g of sodium hydride (60% in on), and 0.25 g of 1,1,3-trichloropropene, and according to the process described in the Production Example 1, there was obtained 0.28 g of 2-(3,3-dichloro-2-propenyl)- 2-(4-(trifluoromethyl)benzyl)malononitrUe (the present compound (55)). Yield: 37%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.96 (2H, d), 3.28 (2H, s), 6.09 (1H, d), 7.53 (2H, d), 7.70 (2H, d).
Production Example 55
Using 0.37 g of (4-cyanobenzyl)malononitrile, 5 ml of N,N-di- methylformamide, 0.12 g of sodium hydride (60% in ofl), and 0.25 g of 1,3,3- trichloropropene, and according to the process described in the Production
Example 1, there was obtained 0.17 g of 2-(4-cyanobenzyl)-2-(3,3-dichloro- propenyl)malononitrile (the present compound (56)).
Yield: 29%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.97 (2H, d), 3.24 (2H, s), 6.08 (1H, d), 7.53 (2H, d), 7.64 (2H, d).
Production Example 56 Using 0.48 g of 2-(l-(4-(trifluoromethyl)phenyl)ethyl)malononitrile, 5 ml of N,N-dimethylformamide, 0.12 g of sodium hydride (60% in oU), and 0.34 g of l-bromo-3,3,3-trifTuoropropane, and according to the process described in the Production Example 1, there was obtained 0.26 g of 2-(l-(4- (trifluoromethyl)phenyl)ethyl-2-(3,3,3-trifluoropropyl)malononitrile (the pre- sent compound (57)).
Yield: 39%;
Η-NMR (CDClg, TMS, δ (ppm)): 1.76 (3H, d), 1.90-2.23 (2H, m), 2.43-2.96 (2H, m), 3.32 (1H, q), 7.48 (2H, d), 7.71 (2H, d).
Production Example 57 First, 0.2 g of (2-(4-(l,2-dibromoethyl)benzyl)-2-(3,3)3-trifluoropro- pyl)malononitrile (the present compound (43)) was dissolved in 5 ml of N,N- (hmethylformamide, to which O.lg of potassium t butoxide was added, while stirring under ice cooHng. After stirring for 5 hours at room temperature, water was added to the reaction mixture, which was extracted with ethyl acetate. The organic layer was successively washed with water, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 0.05 g of 2-(4-(2-bromovinyl)- benzyl)-2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (58)). Yield: 41%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.26 (2H, m), 2.49-2.61 (2H, m), 3.27 (2H, s), 3.51 (2H, s), 5.84 (1H, d), 6.17 (1H, d), 7.34 (2H, d), 7.68 (2H, d).
Production Example 58
Using 0.37 g of (4-fluorobenzyl)malononitrile, 5 ml of N,N-dimethyl- formamide, 0.12 g of sodium hydride (60% in ofl), and 0.25 g of l-bromo-2- fluoroethane, and according to the process described in the Production
Example 1, there was obtained 0.22 g of 2-(4-fluorobenzyl)-2-(2- uoroethyl)- malononitrile (the present compound (59)).
Yield: 49%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.40 (2H, dt), 3.28 (2H, s), 4.83 (2H, dt), 7.04-7.14 (2H, m), 7.36-7.40 (2H, m).
Production Example 59 Using 0.49 g of benzylmalononitrile, 15 ml of N,N-dimethy]form- amide, 0.14 g of sodium hydride (60% in on), and 0.33 g of 1,3-dichloropro- pene, and according to the process described in the Production Example 1, there was obtained 0.25 g of 2-benzyl-2-((E)-3-chloro-2-propenyl)malono- nitrile (the present compound (60)) as high-polar compound. Yield: 36%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.71 (2H, d), 3.21 (2H, s), 6.06 (1H, dt), 6.37 (1H, d), 7.36-7.45 (5H, m).
And there was obtained 0.28 g of 2-benzyl-2-((Z)-3-chloro-2-prope- nyl)malononitrile (the present compound (61)) as low-polar compound. Yield: 40%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.98 (2H, d), 3.26 (2H, s), 6.00 (1H, dt), 6.49 (1H, d), 7.37-7.52 (5H, m).
Production Example 60
Using 0.30 g of (3,4,4-trifluoro-3-butenyl)malononitrUe, 5 ml of N,N- dimethylformamide, 75 mg of sodium hydride (60% in oU), and 0.52 g of 2- chloro-4-(trifluoromethyl)benzylbromide, and according to the process described in the Production Example 1, there was obtained 0.28 g of 2-(2-chlo- ro-4-(trifluoromethyl)benzyl)-2-(3,4,4-trifluoro-3-butenyl)malononitrUe (the
present compound (62)).
Yield: 45%; -NM (CDClg , TMS, δ (ppm)): 2.30 (2H, t), 2.66-2.88 (2H, m), 3.56 (2H, s), 7.63 (1H, d), 7.70 (1H, d), 7.75 (1H, s). Production Example 61
Using 1.01 g of (3-chlorobenzyl)malononitrile, 5 ml of N,N-dimethyl- formamide, 1.38 g of potassium carbonate, and 1.44 g of l-bromo-2-chloro- ethane, and according to the process described in the Production Example 1, there was obtained 0.60 g of 2-(3-chlorobenzyl)-2-(2-chloroethyl)malono- nitrile (the present compound (63)).
Yield: 23%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.44 (2H, dd), 3.25 (2H, s), 3.81 (2H, dd), 7.27-7.43 (4H, m).
Production Example 62 Using 0.23 g of (4-(trifluoromethyl)benzyl)malononitrUe, 3 ml of
N,N-dimethy]formamide, 0.05 g of sodium hydride (60% in oU), and 0.13 g of l-bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.12 g of 2-(2-fluoroethyl)-2-(4- (trifluoromethyl)benzyl)malononitrile (the present compound (64)). Yield: 48%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.43 (2H, dt), 3.58 (2H, s), 4.85 (2H, dt), 7.54 (2H, d), 7.70 (2H, d).
Production Example 63
Using 0.24 g of (3-bromobenzyl)malononitrile, 3 ml of N,N-di- methylformamide, 0.10 g of sodium hydride (60% in ofl), and 0.13 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.11 g of 2-(3-bromobenzyl)-2-(2- fluoroethyl)malononitrile (the present compound (65)).
Yield: 33%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.38 (2H, dt), 3.26 (2H, s), 3.83 (3H, s), 4.86 (2H, dt), 7.27-7.37 (2H, m)7.54-7.57 (2H, m).
Production Example 64 Using 0.15 g of (3,4,4-trifluoro-3-butenyl)malononitrile, 5 ml of N,N- dimethylformamide, 38 mg of sodium hydride (60% in on), and 0.27 g of 2,6- dichloro-4-(trifluoromethyl)benzylbromide, and according to the process described in the Production Example 1, there was obtained 0.18 g of 2-(2,6- dichloro-4-(trifluoromethyl)benzyl)-2-(3,4,4-trifluoro-3-butenyl)malononitrUe (the present compound (66)). Yield: 51%;
1 H-NMR (CDClg , TMS, δ (ppm)): 2.39-2.45 (2H, m), 2.71-2.83 (2H, m), 3.80 (2H, s), 7.70 (2H, s).
Production Example 65 Using 0.25 g of (4-bromo-2-fluorobenzyl)malononitrile, 3 ml of N,N-
(Hmethylformamide, 0.10 g of sodium hydride (60% in oU), and 0.13 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.10 g of 2-(4-bromo-2-fluorobenzyl)- 2-(2-fluoroethyl)malononitrile (the present compound (67)). Yield: 33%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.41 (2H, dt), 3.35 (2H, s), 4.82 (2H, dt), 7.32-7.42 (3H, m).
Production Example 66
Using 0.20 g of (3,4,4-trifluoro-3-butenyl)malononitrUe, 5 ml of N,N- dimethylformamide, 50 mg of sodium hydride (60% in oU), and 0.25 g of α- bromo-p-tolunitrUe, and according to the process described in the Production
Example 1, there was obtained 0.21 g of 2-(4-cyanobenzyl)-2-(3,4,4-trifluoro-
3-butenyl)malononitrfle (the present compound (68)).
Yield: 63%;
1 H-NMR (CDC13 , TMS, δ (ppm)): 2.21-2.32 (2H, m), 2.68-2.87 (2H, m), 3.31 (2H, s), 7.54 (2H, d), 7.72 (2H, d).
Production Example 67 Using 0.24 g of (2-bromobenzyl)malononitrile, 3 ml of N,N- dimethylformamide, 0.10 g of sodium hydride (60% in oU), and 0.13 g of 1- bromo-2-fluoroethane, and according to the process described in the Production Example 1, there was obtained 0.12 g of 2-(2-bromobenzyl)-2-(2- fluoroethyl)malononitrile (the present compound (69)). Yield: 37%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.47 (2H, dt), 3.58 (2H, s), 4.82 (2H, dt), 7.24 (1H, dd), 7.28 (1H, dd), 7.58 (1H, d), 7.65 (1H, d).
Production Example 68
Using 0.21 g of 2,4-difluorobenzyl bromide, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrile, and according to the process described in the
Production Example 26, there was obtained 0.17 g of 2-(2,4-difluorobenzyl)-
2-(3,3,3-trifluoropropyl)malononitrile (the present compound (70)).
Yield: 57%; Η-NMR (CDClg, TMS, δ (ppm)): 2.21-2.26 (2H, m), 2.47-2.59 (2H, m),
3.34 (2H, s), 6.91-7.02 (2H, m), 7.40-7.47 (2H, m).
Production Example 69
Using 0.21 g of 3,5-difluorobenzyl bromide, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrile, and according to the process described in the
Production Example 26, there was obtained 0.21 g of 2-(3,5-difluorobenzyl)-
2-(3,3,3-trifluoropropyl)malononitrile (the present compound (71)).
Yield: 73%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.22-2.28 (2H, m), 2.49-2.61 (2H, m), 3.23 (2H, s), 6.87-6.95 (3H, m).
Production Example 70
Using 1.0 g of (4-(trifluoromethyl)benzyl)malononitrUe, 8 ml of N,N- dimethylformamide, 0.73 g of cesium carbonate, and 1.0 g of 2,2,2-trifluoroethyl trifluoromethanesulfonate, and according to the process described in the Production Example 1, there was obtained 0.58 g of 2-(2,2,2-trifluoro- ethyl)-2-(4-(trifluoromethyl)benzyl)malononitrUe (the present compound (72)). Yield: 40%;
Η-NMR (CDClg , TMS, δ (ppm)): 2.84 (2H, q), 3.40 (2H, d), 7.55 (2H, d), 7.72 (2H, d).
Production Example 71
Using 0.50 g of (4-(trifluoromethyl)benzyl)malononitrUe, 6 ml of N,N-dimethylformamide, 98 mg of sodium hydride (60% in oU), and 0.46 g of 4-bromo-l,l,2-trifluoro-l-butene, and according to the process described in the Production Example 1, there was obtained 0.16 g of 2-(3,4,4-trifluoro-3- butenyl)-2-(4-(trifluoromethyl)benzyl)malononitrile (the present compound (73)). Yield: 21%;
* H-NMR (CDClg , TMS, δ (ppm)): 2.21-2.27 (2H, m), 2.70-2.79 (2H, m), 3.31 (2H, s), 7.52 (2H, d), 7.71 (2H, d).
Production Example 72
Using 0.50 g of (4-(trifluoromethyl)benzyl)malononitrile, 6 ml of N,N-dimethylformamide, 98 mg of sodium hydride (60% in oU), and 0.43 g of l-bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.30 g of 2-(3,3,3-trifluoropropyl)-
2-(4-(trifluoromethyl)benzyl)malononitrUe (the present compound (74)).
Yield: 40%;
X H-NMR (CDClg , TMS, δ (ppm)): 2.23-2.30 (2H, m), 2.47-2.66 (2H, m), 3.32 (2H, s), 7.52 (2H, d , 7.71 (2H, d).
Production Example 73 Using 0.19 g of 2-fluorobenzyl bromide, 3 ml of N,N-dimethylform- amide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifluoro- propyl)malononitrile, and according to the process described in the Production Example 26, there was obtained 0.17 g of 2-(2-fluorobenzyl)-2-(3,3,3- trifluoropropyl)malononitrUe (the present compound (75)). Yield: 63%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.26 (2H, m), 2.46-2.62 (2H, m), 3.38 (2H, s), 7.14-7.45 (4H, m).
Production Example 74
Using 0.50 g of (4-(trifluoromethyl)benzyl)malononitrUe, 5 ml of N,N-dimethylformamide, 363 mg of cesium carbonate, and 0.63 g of 2,2,3,3,3-pentafluoropropyl trifluoromethanesulfonate, and according to the process described in the Production Example 1, there was obtained 0.20 g of 2-(2,2,3,3,3-pentafluoropropyl)-2-(4-(trifl.uoromethyl)benzyl)malononitrUe (the present compound (76)). Yield: 34%;
X H-NMR (CDClg , TMS, δ (ppm)): 2.78 (2H, t), 3.43 (2H, s), 7.56 (2H, d), 7.75 (2H, d).
Production Example 75
Using 0.50 g of (4-(trifluoromethyl)benzyl)malononitrile, 5 ml of N,N-dimethylformamide, 59 mg of sodium hydride (60% in oU), and 0.77 g of
2,2,3,3,4,4,4-heptafluorobutyl trifluoromethanesulfonate, and according to the process described in the Production Example 1, there was obtained 73 mg of 2-(2)2,3)3,4,4,4-heptafluorobutyl)-2-(4-(trifluoromethyl)benzyl)malono-
nitrile (the present compound (77)).
Yield: 8%;
Η-NMR (CDClg , TMS, δ (ppm)): 2.82 (2H, t), 3.43 (2H, s), 7.56 (2H, d), 7.73 (2H, d). Production Example 76
Using 0.50 g of (4-(trifluoromethyl)benzyl)malononitrile, 5 ml of
N,N-dimethylformamide, 88 mg of sodium hydride (60% in ofl), and 0.53 g of l-iodo-4,4,4-trifluorobutane, and according to the process described in the
Production Example 1, there was obtained 0.25 g of 2-(4,4,4-trifluorobutyl)- 2-(4-(trifluoromethyl)benzyl)malononitrUe (the present compound (78)).
Yield: 30%; -NMR (CDClg , TMS, δ (ppm)): 1.99-2.39 (4H, m), 2.18-2.24 (2H, m), 3.26 (2H, s), 7.49 (2H, d), 7.67 (2H, d).
Production Example 77 Using 0.15 g of 3-fluorobenzyl chloride, 3 ml of N,N-(hmethylform- amide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3, 3 -trifluoro - propyl)malononitrile, and according to the process described in the Production Example 26, there was obtained 0.11 g of 2-(3-fluorobenzyl)-2-(3,3,3- trifluoropropyl)malononitrile (the present compound (79)). Yield: 41%;
Η-NMR (CDC13, TMS, δ (ppm)): 2.21-2.26 (2H, m), 2.47-2.57 (2H, m), 3.26 (2H, s), 7.08-7.18 (3H, m), 7.38-7.45 (1H, m).
Production Example 78
Using 0.26 g of 2,3,4,5,6-pentafluoaobenzyl bromide, 3 ml of N,N- dimethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of
(3,3,3-trifluoropropyl)malononitrUe, and according to the process described in the Production Example 26, there was obtained 0.21 g of 2-(2, 3,4,5,6- pentafluorobenzyl)-2-(3,3,3-trifluoropropyl)malononitrile (the present com-
pound (80)).
Yield: 61%;
Η-NMR (CDCI3, TMS, δ (ppm)): 2.28-2.34 (2H, m), 2.50-2.68 (2H, m), 3.47 (2H, s). Production Example 79
Using 0.21 g of 2-chlorobenzyl bromide, 3 ml of N,N- dimethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifluoro- propyl)malononitrile, and according to the process described in the Production Example 26, there was obtained 0.22 g of 2-(2-chlorobenzyi)-2-(3,3,3- trifluoropropyl)malononitrile (the present compound (81)).
Yield: 78%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.28-2.34(2H, m), 2.50-2.62(2H, m), 3.53(2H, s), 7.30-7.40(2H, m), 7.47-7.55(2H, m).
Production Example 80 Using 0.16 g of 3-chlorobenzyl chloride, 3 ml of N,N-dimethylform- amide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifluoro- propyl)malononitrile, and according to the process described in the Production Example 26, there was obtained 0.12 g of 2-(3-chlorobenzyf)-2-(3,3,3- trifluoropropyl)malononitrile (the present compound (82)). Yield: 42%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.26-2.31 (2H, m), 2.47-2.62 (2H, m), 3.53 (2H, s), 7.26-7.55 (4H, m).
Production Example 81
Using 0.20 g of 2,4-dichlorobenzyl chloride, 3 ml of N,N-dimethyl- formamide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3- trifluoropropyl)malononitrile, and according to the process described in the
Production Example 26, there was obtained 0.23 g of 2-(2,4-dichlorobenzyl)-
2-(3,3,3-trifluoropropyl)malononitrile (the present compound (83)).
Yield: 70%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.26-2.31 (2H, m), 2.48-2.63 (2H, m), 3.48 (2H, s), 7.35 (1H, dd), 7.47 (1H, d), 7.52 (1H, d).
Production Example 82 Using 0.19 g of 4-methylbenzyl bromide, 3 ml of N,N-dimethylform- amide, 0.05 g of sodium hydride (60% in oU), and 0.17 g of (3,3,3-trifTuoro- propyl)malononitrile, and according to the process described in the Production Example 26, there was obtained 0.20 g of 2-(4-methyIbenzyl)-2- (3,3,3-trifluoropropyl)malononitrUe (the present compound (84)). Yield: 76%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.17-2.27(2H, m), 2.38(3H, 1H), 2.48-2.60(2H, m), 3.23(2H, s), 7.21-7.27(4H, m).
Production Example 83
Using 0.22g of (4-(trifluoromethyl)benzyl)malononitrUe, 3 ml of N,N- dirnethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.31 g of 1- bromo-3-chloropropane, and according to the process described in the Production Example 1, there was obtained 0.15 g of 2-(3-chloropropyl)-2-(4- (trifluoromethyl)benzyl)malononitrile (the present compound (85)).
Yield: 26%; Η-NMR (CDClg, TMS, δ (ppm)): 2.20-2.26(4H, m), 3.26(2H, d),
3.68(2H, dd), 7.51(2H, d), 7.69(2H, d).
Production Example 84
Using 0.22 g of 2-(4-(trifluoromethyl)benzyl)malononitrile, 3 ml of N,N-dimethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.33 g of l-bromo-3-chloro-2-methylpropane, and according to the process described in the Production Example 1, there was obtained 0.19 g of 2-(3-chloro-2- methylpropyl)-2-(4-(trifluoromethyl)benzyl)malononitrile (the present compound (86)).
Yield: 30%;
Η-NMR (CDClg, TMS, δ (ppm)): 1.45(3H, d), 1.94(1H, dd), 2.31(1H, dd), 2.36-2.43(lH, m), 3.29(2H, s), 3.52(1H, dd), 3.68(1H, dd), 7.53(2H, d), 7.69(2H, d). Production Example 85
Using 0.22 g of (4-(trifluoromethyl)benzyl)malononitrile, 3 ml of N,N-dimethylformamide, 0.05 g of sodium hydride (60% in oU), and 0.34 g of l-bromo-4-chlorobutane, and according to the process described in the Production Example 1, there was obtained 0.20 g of 2-(4-chlorobutyl)-2-(4- (trifluoromethyl)benzyl)malononitrUe (the present compound (87)).
Yield: 32%;
Η-NMR (CDClg, TMS, δ (ppm)): 1.92-2.14(4H, m), 3.27(2H, s), 2.36- 2.43(1H, m), 3.29(2H, s), 3.57(2H, dd), 7.52(2H, d), 7.69(2H, d).
Production Example 86 Using 0.52 g of (3-benzyloxybenzyl)malononitrile, 5 ml of N,N- dimethylformamide, 0.12 g of sodium hydride (60% in on), and 0.34 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the Production Example 1, there was obtained 0.28 g of 2-(3-(benzyloxy)benzyl)- 2-(3,3,3-trifluoropropyl)malononitrUe (the present compound (88)). Yield: 38%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.05-2.22(2H, m), 2.47-2.59(2H, m), 3.24(1H, q), 5.09(2H, s), 6.95-7.26(3H, ), 7.29-7.52(6H, m).
Production Example 87
Using 0.39 g of 2-(4-methoxybenzyl)malononitrile, 5 ml of N,N- dimethylformamide, 0.12 g of sodium hydride (60% in oU), and 0.34 g of 1- bromo-3,3,3-trifluoropropane, and according to the process described in the
Production Example 1, there was obtained 0.15 g of 2-(4-methoxybenzyl)-2-
(3,3,3-trifluoropropyl)malononitrile (the present compound (89)).
Yield: 27%;
Η-NMR (CDClg, TMS, δ (ppm)): 2.04-2.22(2H, m), 2.46-2.63(2H, m), 3.79(1H, q), 3.83(3H, s), 6.92(2H, d), 7.27(2H, d).
The foUowing will describe some production examples for intermediate compounds as reference production examples.
Reference Production Example 1
First, 1.00 g of (4-chloro-α-methylbenzyhdene)malononitrile of the formula:
was dissolved in 20 ml of diethyl ether, to which a catalytic amount of copper (I) iodide was added, and whfle stirring under ice cooling, a solution of methyl magnesium iodide in diethyl ether (prepared from 0.30 g of magnesium, 10 ml of diethyl ether, and 0.86 ml of methyl iodide) was added drop- wise, foUowed by stirring for 30 minutes under ice cooHng. Then, 10% hydrochloric acid was added to the reaction mixture, which was extracted with ethyl ether. The organic layer was successively washed with 10% hydrochloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 0.74 g of (l-(4-chlorophenyl)-l-methylethyl)malononitrUe (the intermediate (2)).
Yield: 69%.
Reference Production Example 2
First, 1.02 g of (4-chlorobenzyHdene)malononitrile was dissolved in 20 ml of tetrahydrofuran, to which a catalytic amount of copper (I) iodide was added, and whfle stirring under ice cooling, a solution of isopropyl magne-
sium bromide in tetrahydrofuran (prepared from 0.34 g of magnesium, 10 ml of tetrahydrofuran, and 1.46 ml of isopropyl bromide) was added dropwise, foUowed by stirring for 30 minutes under ice cooHng. Then, 10% hydrochloric acid was added to the reaction mixture, which became acidic and was extracted with ethyl ether. The organic layer was successively washed with 10% hydrochloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 0.66 g of (l-(4-chlorophenyl)-2-methylpropyl)malononitrUe (the inter- mediate (3)).
Yield: 52%.
Reference Production Example 3
First, 4.44 g of (4-(trifluoromethyl)benzyHdene)malononitrile was dissolved in 20 ml of ethanol, and whfle stirring at room temperature, a sus- pension of 0.19 g of sodium borohydride in 5 ml of ethanol was added drop- wise, foUowed by stirring at room temperature for 30 minutes. Then, 10% hydrochloride acid was added to the reaction mixture, which became acidic and was extracted with diethyl ether. The organic layer was successively washed with 10% hydrochloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography to give 2.30 g of (4-(trifluoromethyl)benzyl)malononitrUe (the intermediate (4)). Yield: 51%. Reference Production Example 4
First, 3.00 g of (4-chloro-α-methylbenzyhdene)malononitrile was dissolved in 20 ml of ethanol, and whUe stirring at room temperature, a suspension of 0.15 g of sodium borohydride in 5 ml of ethanol was added drop-
wise, foUowed by stirring at room temperature for 30 minutes. Then, 10% hydrochloride acid was added to the reaction mixture, which was extracted with diethyl ether. The organic layer was successively washed with 10% hydrochloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 1.70 g of (l-(4-chlorophenyl)ethyl)malononitrUe (the intermediate (6)). Yield: 56%. Reference Production Example 5 First, 10.0 g of 4-(trifluoromethoxy)benzaldehyde and 3.50 g of malononitrile were dissolved in 60 ml of 70% (w/w) aqueous ethanol, to which a catalytic amount of benzyltrimethylammonium hydroxide was added, and the mixture was stirred at room temperature overnight. Then, a saturated aqueous sodium chloride solution was added to the reaction mixture, which was extracted with ethyl acetate. The organic layer was washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was recrystalHzed from t-butyl methyl ether and hexane to give 9.24 g of (4- (trifluoromethoxy)benzyHdene)malononitrile. Yield: 74%;
* H-NMR (CDC13 , TMS, δ (ppm)): 7.37 (2H, d), 7.76 (1H, s), 7.98 (2H, d).
Then, 2.61 g of (4-(trifluoromethoxy)benzyhdene)malononitrile was dissolved in 20 ml of tetrahydrofuran, and whfle stirring at room tempera- ture, a suspension of 0.11 g of sodium borohydride in 5 ml of ethanol was added dropwise, foUowed by stirring at room temperature for 30 minutes. Then, 10% hydrochloric acid was added, and the mixture was extracted with diethyl ether. The organic layer was successively washed with 10% hydro-
chloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 2.20 g of (4-(trifluoromethoxy)benzyl)malononitrUe (the intermediate (7)). Yield: 83%.
Reference Production Example 6
Using 1.19 g of (4-(trifluoromethoxy)benzyHdene)malononitrUe, 20 ml of tetrahydrofuran, a catalytic amount of copper (I) iodide, and a solution of isopropyl magnesium bromide in tetrahydrofuran (prepared from 0.39 g of magnesium, 10 ml of tetrahydrofuran, and 2.36 g of isopropyl bromide), and according to the process described in Reference Production Example 2, there was obtained 0.77 g of (l-(4-(trifluoromethoxy)phenyl)-2-methylpropyl)malo- nonitrile (the intermediate (8)).
Yield: 55%. Reference Production Example 7
Using 1.19 g of (4-(trifluoromethoxy)benzyHdene)malononitrile, 20 ml of tetrahydrofuran, a catalytic amount of copper (I) iodide, and 12.5 ml of a solution of methyl magnesium bromide in tetrahydrofuran (about 1 M, available from Tokyo Kasei Kogyo Co., Ltd), and according to the process described in Reference Production Example 2, there was obtained 0.76 g of (l-(4-(trifluoromethoxy)phenyl)ethyl)malononitrile (the intermediate (10)).
Yield: 60%.
Reference Production Example 8
First, 4.46 g of (3,4-dichlorobenzyHdene)malononitrUe was dissolved in 20 ml of tetrahydrofuran, and whUe stirring at room temperature, a suspension of 0.19 g of sodium borohydride in 5 ml of ethanol was added drop- wise, foUowed by stirring at room temperature for 30 minutes. Then, 10% hydrochloride acid was added and the mixture was extracted with diethyl
ether. The organic layer was successively washed with 10% hydrochloric acid, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 3.15 g of (3,4-dichlorobenzyl)malononitrile (the intermediate (12)). Yield: 70%.
Reference Production Example 9
Using 4.46 g of (2,4-dichlorobenzyHdene)malononitrUe, 20 ml of tetrahydrofuran, and a suspension of 0.19 g of sodium borohydride in 5 ml of ethanol, and according to the process described in Reference Production
Example 8, there was obtained 3.10 g of (2,4-dichlorobenzyl)malononitrUe
(the intermediate (13)).
Yield: 69%.
Reference Production Example 10 First, 10.0 g of 4-(trifluoromethylthio)benzaldehyde and 2.92 g of malononitrile were dissolved in 50 ml of 70% (w/w) aqueous ethanol, to which a catalytic amount of benzyltrimethylammonium hydroxide was added, and the mixture was stirred at room temperature overnight. Then, a saturated aqueous sodium chloride solution was added to the reaction mixture, which was extracted with ethyl acetate. The orgamc layer was washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was recrystaUized with a solvent system consisting of t- butyl methyl ether and hexane to give 10.5 g of (4-(trifluoromethylthio)ben- zyHdene)malononitrile. Yield: 85%;
X H-NMR (CDClg , TMS, δ (ppm)): 7.78 (1H, s), 7.79 (2H, d), 7.93 (2H, d).
Then, 8.00 g of (4-(trifluoromethylthio)benzyHdene)malononitrUe and 3.35 g of benzaldehyde were dissolved in 320 ml of ethanol, and whUe stirring at room temperature, 3.41g of phenylenediamine was slowly added, and the mixture was stirred at room temperature for 5 hours. Then, the reac- tion mixture was concentrated, 300 ml of t-butyl methyl ether was added, and insoluble matters were filtered. The filtrate was concentrated and the resulting residue was subjected to siHca gel chromatography to give 6.22 g of (4-(trifluoromethylthio)benzyl)malononitrile (the intermediate (14)).
Yield: 77%. Reference Production Example 11
First, 6.98 g of malononitrile, 681 mg of tetrabutylammonium bromide, and 10 g of 4-bromo-l,l,2-trifluoro-l-butene were mixed, and whUe stirring at 0°C under an atmosphere of nitrogen, 5.92 g of potassium t- butoxide was slowly added. The mixture was further stirred at room temperature for 12 hours. Then, the reaction mixture was poured into water, foUowed by extraction with t-butyl methyl ether. The organic layer was washed with water, a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 1.31 g of (3,4,4-trifluoro-3-butenyl)malononitrUe (the intermediate (17)).
Yield: 26%.
Reference Production Example 12
Using 4.00 g of (4-(trifluoromethoxy)benzyhdene)malononitrUe, 30 ml of tetrahydrofuran, 175 mg of copper (I) bromide dimethyl sulfi.de complex, and 26 ml of a solution (0.98 M) of vinyl magnesium bromide in tetrahydrofuran, and according to the process described in Reference Production Example 2, there was obtained 1.60 g of (l-(4-trifluoromethoxyphenyl))-2-pro- penylmalononitrile (the intermediate (18)).
Reference Production Example 13
First, 27.6 g of malononitrile was dissolved in 50 ml of N,N-di- methylformamide, and 27.6 g of potassium carbonate was added at room temperature, foUowed by stirring for 1 hour. Then, a solution of 17.7 g of 1- bromo-3,3,3-trifluoropropane dissolved in 20 ml of N,N-dimethylformamide was added dropwise slowly, foUowed by stirring for 1 hour. Then, water was added to the reaction mixture, which was extracted with diethyl ether. The organic layer was successively washed with water, a saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 11.3 g of (3,3,3-trifluoropropyl)malono- nitrile (the intermediate (16)).
Yield: 68%.
Reference Production Example 14 First, 20 ml of tetrahydrofuran was added dropwise slowly to the mixture of 0.50 g of dihydro tetrakis(triphenylphosphine)ruthenium and 3.00 g of (4-(trifluoromethyl)benzyl)malononitrUe under an atmosphere of nitrogen , foUowed by stirring for 15 minutes. Then, 0.82 g of acrolein was added dropwise slowly, foUowed by stirring for 1 hour at room temperature and then the solvent was distilled away. The residue was subjected to sihca gel column chromatography to give 1.58 g of 2-(2-formylethyl)-2-(4-(trifluoro- methyl)benzyl)malononitrile (the intermediate (19)).
Yield: 42%.
Reference Production Example 15 First, 0.01 g of sodium borohydride was added to the solution of 0.30 g of 2-(2-formylethyl)-2-(4-(trifluoromethyl)benzyl)malononitrile (the intermediate (19)) in ethanol at 0 °C, foUowed by stirring for 5 hours at room temperature. Then, water was added to the reaction mixture, which was
extracted with ethyl acetate. The organic layer was washed with a saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to siHca gel column chromatography to give 0.19 g of 2-(3-hydroxypropyl)-2- (4-(trifluoromethyl)benzyl)malononitrUe (the intermediate (20)).
Yield: 61%.
Reference Production Example 16
Using 1.42 g of (2,4,6-trifluorobenzyHden)malononitrUe, 50 ml of ethanol and 0.08 g of sodium borohydride, and according to the process described in the Reference Production Example 3, there was obtained 1.29 g of (2,4,6-trifluorobenzyl)malononitrile (the intermediate (21)).
Yield: 90%.
Reference Production Example 17
Using 10.0 g of (3,4-difluorobenzyhden)malononitrile, 200 ml of ethanol and 0.6 g of sodium borohydride, and according to the process described in the Reference Production Example 3, there was obtained 8.05 g of (3,4-difluorobenzyl)malononitrUe (the intermediate (23)).
Yield: 80%.
Reference Production Example 18 Using 10.0 g of (2-chloro-4-fluorobenzyhden)malononitrile, 200 ml of ethanol and 0.6 g of sodium borohydride, and according to the process described in the Reference Production Example 3, there was obtained 0.55 g of (2-chloro-4-fluorobenzyl)malononitrile (the intermediate (24)).
Yield: 53%. Reference Production Example 19
First, 0.93 g of 3-bromobenzaldehyde and 0.33 g of malononitrile were dissolved in 5 ml of ethanol, to which 1.5 ml of water was added, foUowed by stirring at room temperature for 4 hours. Then, after cooling at
— 5°C, a suspension of 57 mg of sodium borohydride in 3 ml of ethanol was added dropwise, foUowed by stirring at -5°C for 30 minutes. 10% hydrochloride acid was added to the reaction mixture, which was extracted with ethyl acetate. The organic layer was washed with water, dried over anhy- drous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to sihca gel column chromatography to give 0.94 g of (3-bromobenzyl)malononitrile (the intermediate (28)).
Yield: 83%.
Reference Production Example 20 Using 1.02 g of 2-fluoro-4-bromobenzaldehyde, 0.33 g of malononitrile, 8 ml of ethanol, 1.5 ml of water and 57 mg of sodium borohydride, and according to the process described in the Reference Production Example 19, there was obtained 1.21 g of (2-fluoro-4-bromobenzyl)malononitrile (the intermediate (29)). Yield: 95%.
Reference Production Example 21
Using 1.06 g of 3-(benzyloxy)benzaldehyde, 0.33 g of malononitrile, 8 ml of ethanol, 1.5 ml of water and 57 mg of sodium borohydride, and according to the process described in the Reference Production Example 19, there was obtained 1.20 g of (3-(benzyloxy)benzyl)malononitrUe (the intermediate (3D).
Yield: 92%.
Reference Production Example 22
Using 1.0 g of (2,6-dichloro-4-(trifluoromethyl)benzyhden)malono- nitrile, 20 ml of ethanol and 0.03 g of sodium borohydride, and according to the process described in the Reference Production Example 3, there was obtained 0.97 g of (2,6-dichloro-4-(trifluoromethyl)benzyl)malononitrile (the intermediate (32)).
Yield: 90%.
The intermediate compounds used in the production of the present compounds are shown below with the compound numbers and physical data. Intermediate (1) (4-Chlorobenzyl)malononitrUe
cOnsT m.p.: 96.9°C. Intermediate (2)
(l-(4-Chlorophenyl)-l-methylethyl)malononitrUe
nD 22 ' 0 : 1.5372.
Intermediate (3)
(l-(4-Chlorophenyl)-2-methylpropyl)malononitrile
nD 2 1 5 : 1.5289.
Intermediate (4) (4-(Trifluoromethyl)benzyl)malononitrUe
m.p.: 79.1°C. Intermediate (5)
(4- Cy anob enzyl)malononitrile
m.p.: 118.7°C.
Intermediate (6)
(l-(4-Chlorophenyl)ethyl)malononitrile
nD 24 ' 5 : 1.5349.
Intermediate (7)
(4-(Trifluoromethoxy)benzyl)malononitrile
m.p.: 88.3°C.
Intermediate (8) (l-(4-(Trifluoromethoxy)phenyl-2-methylpropyl)malononitrile
1 H-NMR (CDCI3 , TMS, δ (ppm)): 0.83 (3H, d), 1.16 (3H, d), 2.29-2.45 (IH, m), 2.87 (IH, dd), 4.18 (IH, d), 7.25-7.30 (2H, m), 7.38-7.42 (2H, m). Intermediate (9) (4-Bromobenzyl)malononitrile
Intermediate (10)
( 1 - (4- (Trifluor omethoxy)phenyl) ethyl)malononitrile
1 H-NMR (CDClg , TMS, δ (ppm)): 1.65 (3H, d), 3.49 (IH, dq), 3.85 (IH, d), 7.24-7.29 (2H, m), 7.38-7.42 (2H, m).
Intermediate (11)
(4-Fluor ob enzyl)malononitrile
m.p.: 117.2°C. Intermediate (12)
(3,4-Dichlorobenzyl)malononitrUe
m.p.: 83.3°C. Intermediate (13) (2 ,4-Dichlorobenzyl)malononitrile
m.p.: 62.5°C.
Intermediate (14)
(4-(Trifl.uoromethylthio)benzyl)malononitrUe
1 H-NMR (CDC13 , TMS, δ (ppm)): 3.15 (2H, d), 3.95 (IH, t), 7.37 (2H, d), 7.70 (2H, d).
Intermediate (15) Benzylmalononitrile
Intermediate (16)
(3 , 3 , 3-Trifluoropropyl)malononitrUe
1 H-NMR (CDC13 , TMS, δ (ppm)): 2.32-2.42 (2H, m), 2.43-2.52 (2H, m), 3.91 (IH, t).
Intermediate (17) (3,4,4-Trifluoro-3-butenyl)malononitrUe
1 H-NMR (CDClg , TMS, δ (ppm)): 1.18-1.28 (IH, m), 2.27-2.34 (2H, m), 2.58-2.72 (2H, m), 3.88 (IH, t). Intermediate (18) (l-(4-Trifluoromethoxyphenyl))-2-propenyl)nιalononitrile
1 H-NMR (CDClg , TMS, δ (ppm)): 3.95-4.03 (2H, m), 5.40-5.53 (2H, m),
6.08-6.19 (IH, m), 7.28 (2H, d), 7.39 (2H, d).
Intermediate (19)
2-(2-formylethyl)-2-(4-(trifluoromethyl)benzyl)malononitrUe
1 H-NMR (CDClg , TMS, δ (ppm)): 2.35(2H, t), 2.94(2H, t), 3.30(2H, s), 7.53(2H, d), 7.69(2H, d), 9.82(1H, s).
Intermediate (20)
2 - (3 -hy dr oxypr opyl) -2 - (4- (trifluor omethyl)b enzyl)malononitrile
1 H-NMR (CDClg , TMS, δ (ppm)): 1.94-2.01(2H, m), 2.12-2.17(3H, m) 3.28(2H, s), 3.74(2H, t), 7.53(2H, d), 7.67(2H, d). Intermediate (21)
(2,4,6-trifluorobenzyl)malononitrile
1 H-NMR (CDClg , TMS, δ (ppm)): 3.4102H, d), 4.03(1H, t), 6.79(2H, dd).
Intermediate 22 (4-nitrobenzyl)malononitrUe
m.p.: 155.7°C
Intermediate 23
(3 , 4- difluorob enzyl)malononitrile
1 H-NMR (CDClg , TMS, δ (ppm)): 3.28(2H, d), 3.94(1H, t), 7.06- 7.24(3H, m).
Intermediate 24
(2-chloro-4-fluorobenzyl)malononitrUe
1 H-NMR (CDClg , TMS, δ (ppm)): 3.36(2H, d), 3.97(1H, t), 6.97(1H, dd), 7.13(1H, dd), 7.29(1H, dd). Intermediate 25 (4-methoxybenzyl)malononitrfle VΥCN
MeO^ CN m.p.: 89.6°C Intermediate 26
(l-(4-trifluoromethyl)phenyl)ethyl)malononitrile
1 H-NMR (CDC13 , TMS, δ (ppm)): 1.68(3H, d), 3.53(1H, dq), 3.89(1H, d), 7.68(2H, d), 7.89(2H, d). Intermediate 27
(3 -chlorob enzyl)malononitπle
Intermediate 28
(3 -br omob enzyl)malononitrUe
1 H-NMR (CDClg , TMS, δ (ppm)):3.26(2H, d), 3.93(1H, t), 7.26- 7.30(2H, m), 7.48(1H, bs), 7.51-7.55(1H, m). Intermediate 29
(2-fluoro-4-bromobenzyl)malononitrile
1 H-NMR (CDClg , TMS, δ (ppm)):3.33(2H, d), 3.98(1H, t), 7.23(1H, d), 7.32-7.38(2H, m).
Intermediate 30 (2-bromobenzyl)malononitrile
1 H-NMR (CDC13 , TMS, δ (ppm)):3.45(2H, d), 4.15(1H, t), 7.23- 7.29(1H, m), 7.35-7.42(2H, m), 7.62(1H, d). Intermediate 31 (3 - (b enzyloxy)b enzyl)m alononitrile
1 H-NMR (CDC13 , TMS, δ (ppm)):3.24(2H, d), 3.88(1H, t), 5.07(2H, s), 6.89-6.99(3H, m), 7.28-7.45(6H, m). Intermediate 32
(2,6-dichloro-4-(trifl.uoromethyl)benzyl)malononitrile
1 H-NMR (CDClg , TMS, δ (ppm)): 3.78(2H, d), 4.23(1H, t), 7.68(2H,s). Specific examples of the present compounds are shown in Table 1 with the compound numbers.
TABLE 1 The compounds of formula (Y):
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
TABLE 1 (contn'd)
The foUowing wiU describe some formulation examples wherein parts represent parts by weight. The present compounds are designated by their compound numbers shown in Table 1. Formulation Example 1
Nine parts of each of the present compounds (1) to (87) is dissolved in
37.5 parts of xylene and 37.5 parts of dimethylformamide, and 10 parts of polyoxy ethylene styryl phenyl ether and 6 parts of calcium dodecylbenzene- sulfonate are added thereto, foUowed by weU stirring and mixing, to give an emulsifiable concentrate for each compound.
Formulation Example 2
To 40 parts of each of the present compounds (1) to (87) is added 5 parts of Solpol ® 5060 (Tbho Chemical Industry Co., Ltd.), foUowed by weU mixing, and 32 parts of Carplex® #80 (synthetic hydrated sihcone oxide fine powder; Shionogi & Co., Ltd.) and 23 parts of 300 mesh diatomaceous earth are added, which is mixed with a mixer to give a wettable powder for each compound.
Formulation Example 3
To 3 parts of each of the present compounds (1) to (87) are added 5 parts of synthetic hydrated silicon oxide fine powder, 5 parts of sodium dodecylbenzenesulfonate, 30 parts of bentonite, and 57 parts of clay, foUowed by weU stirring and mixing, and an appropriate amount of water is added to
this mixture, foUowed by further stirring, granulation with a granulator, and air drying, to give a granule for each compound.
Formulation Example 4
First, 4.5 parts of each of the present compounds (1) to (87), 1 part of synthetic hydrated sihcon oxide fine powder, 1 part of Doriresu B (Sankyo Co., Ltd.) as a flocculant, and 7 parts of clay are weU mixed with a mortar, foUowed by stirring and mixing with a mixer. To the resulting mixture is added 86.5 parts of cut clay, foUowed by weU stirring and mixing, to give a dust for each compound. Formulation Example 5
Ten parts of each of the present compounds (1) to (87), 35 parts of white carbon containing 50 parts of polyoxy ethylene alkyl ether sulfate ammonium salt, and 55 parts of water are mixed and pulverized by the wet grinding method to give a formulation for each compound. Formulation Example 6
First, 0.5 parts of each of the present compounds (1) to (87) is dissolved in 10 parts of dichloromethane, which is mixed with 89.5 parts of 7 ISOPAR ®M (isoparaffin; Exxon Chemical Co.) to give an oU formulation for each compound. Formulation Example 7
First, 0.1 parts of the present compounds (1) to (79) and 49.9 parts of
NEO-CHIOZOL (Chuo Kasei K.K.) are put into an aerosol can, to which an aerosol valve is attached. Then, 25 parts of dimethyl ether and 25 parts of
LPG are fiHed in the aerosol can, foUowed by shaking and attachment of an actuator, to give an ofl-based aerosol.
Formulation Example 8
First, 0.6 parts of each of the present compounds (1) to (79), 0.01 parts of BHT, 5 parts of xylene, 3.39 parts of deodorized kerosine, and 1 part
of an emulsifier (Atmos 300; Atmos Chemical Co.) are mixed to become a solution. Then, this solution and 50 parts of distiUed water are filled in an aerosol can, to which a valve part is attached, and 40 parts of a propeUant (LPG) is fiUed under pressure through the valve in the aerosol can to give a water-based aerosol.
The foUowing test example wiU demonstrate that the present compounds are useful as the active ingredients of pesticide compositions. The present compounds are designated by their compound numbers shown in Table 1. Test Example 1 Pesticidal Test against Nilaparvata lugens
Each formulation of the compound 2, 5, 7, 8, 9, 10, 11, 12, 13, 15, 16, 19, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 46, 49, 50, 53, 55, 57, 58, 59, 61, 64, 66, 68, 72, 73, 74, 76, 78 and 89 obtained according to Formulation Example 5 was diluted with water so that the active ingredient concentration came to 500 ppm to prepare a test Hquid for each compound. And each formulation of the compound 17 and 76 obtained according to Formulation Example 5 was diluted with water so that the active ingredient concentration came to 200 ppm to prepare a test Hquid for each compound. Fifty grams of molding Bonsoru 2 (available from Sumitomo Chemical Co., Ltd.) was put into a polyethylene cup, and 10 to 15 seeds of rice were planted in the polyethylene cup. Then rice plants were grown until the second fohage leaves developed and then cut into the same height of 5 cm. The test Hquid, which had been prepared as described above, was sprayed at the rate of 20 ml/cup onto these rice plants. After the test Hquid sprayed onto the rice plants were dried, the polyethylene cup with the rice plants was placed in a large polyethylene cup and 30 first-instar larvae of Nilaparvata lugens (brown planthopper) were set free in the large polyethylene cup,
which was then kept covered and left in a greenhouse at 25°C. On the 6th day after the release of larvae of. Nilaparvata lugens, the number of parasitic Nilaparvata lugens on the rice plants was examined.
As a result, in the treatment with each of the compounds described above, the number of parasitic pests on the 6th day after the treatment was not greater than 3.
Test Example 2 Pesticidal Test against Nilaparvata lugens
Each formulation of the compound 5, 8, 9, 10, 11, 12, 13, 15, 16, 18, 19, 21, 22, 23, 27, 31, 33, 34, 36, 37, 39, 40, 41, 44, 49, 50, 57, 68, 72, 73, 74, 77 and 89 obtained according to Formulation Example 5 was diluted with water so that the active ingredient concentration came to 45.5 ppm to prepare a test Hquid for each compound. And each formulation of the compound 17, 26 and 76 obtained according to Formulation Example 5 was diluted with water so that the active ingredient concentration came to 18.2 ppm to prepare a test Hquid for each compound.
Fifty grams of molding Bonsoru 2 (available from Sumitomo Chemical Co., Ltd.) was put into a polyethylene cup having five holes of 5 mm, and 10 to 15 seeds of rice were planted in the polyethylene cup. Then rice plants were grown untU the second foHage leaves developed and the polyethylene cup with the rice plants was placed in a large polyethylene cup containing 55 ml of the test Hquid, which had been prepared as described above, was poured. The rice plants were left in a greenhouse at 25°C for 6 days and then cut into the same height of 5 cm. Thirty first-instar larvae of Nilaparvata lugens (brown planthopper) were set free in the large polyethylene cup, which was then kept covered and left in a greenhouse at 25°C. On the 6th day after the release of larvae of Nilaparvata lugens, the number of parasitic Nilaparvata lugens on the rice plants was examined.
As a result, in the treatment with each of the compounds described
above, the number of parasitic pests on the 6th day after the treatment was not greater than 3.
Test Example 3 Pesticidal Test against Aphis gossypii
Each formulation of the compound 8, 9, 10, 11, 13, 15, 16, 18, 19, 21, 22, 23, 24, 34, 39, 41, 46, 47, 50, 51, 52, 53, 57, 59, 64, 67, 69 and 74 obtained according to Formulation Example 5 was diluted with water so that the active ingredient concentration came to 500 ppm to prepare a test Hquid for each compound.
The seeds of cucumber were planted in a polyethylene cup of 90 ml volume fiUed with Molding Aisai 1 (available from Katakura Chikkarin Co., Ltd,) and grown untU their first foHage leaves developed. About 30 Aphis gossypii (cotton aphid) were made parasitic on the cucumber plants, which was then left for 24 hours. The test Hquid was sprayed at the rate of 20 ml/cup onto the cucumber plants. After the test Hquid sprayed onto the plants were dried, the polyethylene cup with the cucumber plants was placed in a large polyethylene cup, which was then kept covered and left in a greenhouse at 25°C. On the 6th day after the appHcation, the number of Aphis gossypii was examined.
As a result, in the treatment with each of the compounds described above, the number of survived pests on the 6th day after the treatment was not greater than 3.
Test Example 4 Pesticidal Test against Eysarcoris lewisi
Each formulation of the compound 8, 9, 10, 11, 14, 21, 22, 23, 39, 50, 74 and 76 obtained according to Formulation Example 1 was chluted with water so that the active ingredient concentration came to 100 ppm to prepare a test Hquid for each compound.
Then, 3 to 5 seeds of peanut were immersed in the test Hquid, which had been prepared as described above, for 1 minute. After the test Hquid
treated the seeds of peanut was dried with a paper towel, a filter paper moistened with 1 ml of water was placed on a bottom of polyethylene cup and then the seeds of peanut was placed on it. Six to eight adults of Eysarcoris lewisi were set free in the polyethylene cup, which was then kept covered and left in a greenhouse at 25°C. On the 7th day after the release of Eysarcoris lewisi, the number of dead pests and moribund pests was examined.
As a result, in the treatment with each of the compounds described above, the rate of dead or moribund pests was 100%.
Test Example 5 Pesticidal Test against Leptinotarsa decemlineata Each formulation of the compound 5, 8, 10, 15, 21, 50, 74, 76 and 78 obtained according to Formulation Example 1 was diluted with water so that the active ingredient concentration came to 1.6 ppm to prepare a test Hquid for each compound.
A leaf of eggplant was immersed in the test Hquid, which had been prepared as described above, for 1 minute. After the test Hquid treated the leaf of eggplant was dried with a paper towel, the leaf of eggplant was placed in a polyethylene cup of 3 cm in diameter. One second-instar larvae of Leptinotarsa decemlineata (Colorado potato beetle) were set free in the polyethylene cup, which was then kept covered and left in a greenhouse at 25°C. This test was done ten times for one compound. On the 5th day after the release of Leptinotarsa decemlineata, the number of dead pests and moribund pests was examined.
As a result, in the treatment with each of the compounds described above, the rate of dead or moribund pests was greater than 80%. Test Example 6 Pesticidal Test against Musca domes tica
Each formulation of the compound 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 21, 22, 23, 26, 27, 31, 33, 34, 35, 36, 39, 42, 44, 45, 46, 49, 50, 53, 54, 57, 59, 71, 72, 73, 74, 76, 77, 78, 79, 88 and 89 obtained according to
Formulation Example 5 was diluted with water so that the active ingredient concentration came to 500 ppm to prepare a test Hquid for each compound. On the bottom of a polyethylene cup of 5.5 cm in diameter was placed a filter paper on the same size, to which the test Hquid had been prepared as described above, was added dropwise in an amount of 0.7 ml, and 30 mg of sucrose as a bait was placed on it. Ten female adults of Musca domestica
(house fly) were set free in the polyethylene cup, which was then kept covered. After 24 hours, their survival was examined to determine the mortahty. As a result, in the treatment with each of the compounds described above, it was exhibited the mortahty of 100%.
Test Example 7 Pesticidal Test against Blattalla germanica
Each formulation of the compound 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 16, 17,
19, 21, 22, 23, 26, 31, 34, 36, 39, 42, 44, 49, 50, 54, 57, 62, 64, 70, 72, 73, 74, 77 and 80 obtained according to Formulation Example 5 was dUuted with water so that the active ingredient concentration came to 500 ppm to prepare a test Hquid for each compound.
On the bottom of a polyethylene cup of 5.5 cm in diameter was placed a filter paper on the same size, to which the test Hquid had been prepared as described above, was added dropwise in an amount of 0.7 ml, and 30 mg of sucrose as a bait was placed on it. Two male adults of Blattalla germanica
(German cockroach) were set free in the polyethylene cup, which was then kept covered. After 6 days, their survival was examined to determine the mortahty. As a result, in the treatment with each of the compounds described above, it was exhibited the mortahty of 100%.
Test Example 8 Pesticidal Test against Cullex pipiens pallens Each formulation of the compound 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 43, 44, 46, 49, 50, 54, 55, 56, 57, 59, 62, 64, 66, 68, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88 and 89 obtained according to Formulation Example 5 was dUuted with water so that the active ingredient concentration came to 500 ppm to prepare a test Hquid for each compound.
In 100 ml of ion-exchanged water, the test Hquid had been prepared as described above, was added dropwise in an amount of 0.7 ml. The concentration of active ingredient was 3.5 ppm. Twenty final-instar larvae of Cullex pipiens pallens (common mosquito) were set free in the solution.
After 1 days, their survival was examined to determine the mortahty.
As a result, in the treatment with each of the compounds described above, it was exhibited the mortahty of 100%.
Test example 9 Pesticidal Test against Ctenocephalides felis Each of the compound 8, 15, 19, 21 and 34 was dissolved in acetone to give a 0.2ml solution of 0.114% w/w, which was uniformly treated on a filter paper having 3.8cm in diameter, and air-dried. The amount of active ingredient was 200 mg/m2. The filter paper was fUled in a Hd of a 200ml glass bottle. Twenty adult Ctenocephalides felis (cat flea) were released in the glass bottle, which was foUowed by covering with the Hd. The glass bottle was upset for making the fleas contact with the filter paper. After 24 hours, the mortahty was examined.
As a result, in the treatment with each of the compounds described above, it was exhibited the mortahty of 100%.
Industrial Apphcability
The present invention makes it possible to effectively control pests such as insect pests, acarine pests, and nematode pests.
Claims (10)
1. A malononitrile comp ound of formula (Y) :
wherein R1 and R2 are the same or different and independently C^C^ (halo)- alkyl, C^Cs (halo) alkyloxy, C2-C5 (halo)alkenyl, C2-C5 (halo) alkynyl, hydrogen, or cyano;
R3 is Ci-Cg haloalkyl, C2-C4 haloalkenyl, or C2-C4 haloalkynyl; m is an integer of 1 to 3; RB is halogen, cyano, nitro, Ci- (halo)alkyl, C2-C4 (halo) alkenyl, C2-
C4 (halo)alkynyl, C^C^ (halo) alkyloxy, C^C^ (halo)alkylthio, ^d (halo)- alkylsulfinyl, (halo)alkylcarbonyl, C C4 (halo)alkyloxycarbonyl, Cx-C4 (halo)alkylcarbonyloxy, benzyloxy, phenyloxy, or phenylthio, in which the phenyloxy and phenylthio groups may optionaUy be substituted with halogen or Cx -C3 alkyl; n is an integer of 0 to 4;
R6 is hydrogen, halogen, cyano, nitro, CrC4 (halo)alkyl, C2-C4 (halo)- alkenyl, C2-C4 (halo)alkynyl, (halo)alkylsu]finyl, (halo)alkylsulfonyl, CrC4 (halo)alkylcarbonyl, C1-C4 (halo)alkyloxycarbonyl, (halo)alkylcarbonyloxy, benzyloxy, phenyloxy, or phenylthio, in which the phenyloxy and phenylthio groups may optionaUy be substituted with halogen or C^C^ alkyl with the proviso that when n is 2 or more, then RB's are the same or different from each other.
2. The malononitrile compound according to claim 1, wherein R6 is halogen, cyano, nitro, haloalkyloxy or C1-C4 haloalkylthio.
3. The malononitrile compound according to claim 1, wherein R1 and R2 are both hydrogen.
4. The malononitrile compound according to claim 1, wherein R3 is fluoromethyl, trifluoromethyl, or 1,2,2-trifluoroethenyl, and m is 1 or 2.
5. The malononitrile compound according to claim 1, wherein R1 and R2 are the same or different and independently (halo)alkyl, (halo) alkyloxy, C2-C4 (halo) alkenyl, C2-C4 (halo) alkynyl, hydrogen, or cyano; R5 and R6 are the same or different and independently halogen, cyano, nitro, Ci-Ca haloalkyl, haloalkyloxy, (halo)alkylthio, (halo)alkyl- sulfinyl, Ci-Cg (halo)alkylsulfonyl, Ci-Cg (halo)alkylcarbonyl, or Cι-C3 halo- alkyloxycarb onyl.
6. The malononitrfle compound according to claim 5, wherein R3 is Ci-05 haloalkyl and m is 1.
7. A pesticide composition comprising the malononitrfle compound of claim 1 as active ingredient and a carrier.
8. A pest controUing method comprising applying a pesticidaUy effective amount of the malononitrile compound of claim 1 to pests or habi- tats of pests.
9. The pest controUing method according to claim 8, wherein the pests are insect pests.
10. Use of the malononitrile compound of claim 1 as an active ingredient of a pesticide composition.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001138331 | 2001-05-09 | ||
| JP2001-138331 | 2001-05-09 | ||
| PCT/JP2002/004449 WO2002090320A2 (en) | 2001-05-09 | 2002-05-08 | Malononitrile compounds and their use as pesticides |
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| AU2002255313A1 true AU2002255313A1 (en) | 2003-05-01 |
| AU2002255313B2 AU2002255313B2 (en) | 2007-02-01 |
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| EP (3) | EP1385377A1 (en) |
| JP (3) | JP2003026510A (en) |
| KR (3) | KR20030092137A (en) |
| CN (4) | CN100376549C (en) |
| AR (3) | AR034427A1 (en) |
| AU (1) | AU2002255313B2 (en) |
| BR (3) | BR0209461A (en) |
| CA (1) | CA2446006A1 (en) |
| DE (1) | DE60230131D1 (en) |
| ES (1) | ES2316557T3 (en) |
| HU (1) | HUP0400033A3 (en) |
| IL (3) | IL158499A0 (en) |
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