[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

TW369519B - Process for preparing difluoromethoxyarenes - Google Patents

Process for preparing difluoromethoxyarenes

Info

Publication number
TW369519B
TW369519B TW083102429A TW83102429A TW369519B TW 369519 B TW369519 B TW 369519B TW 083102429 A TW083102429 A TW 083102429A TW 83102429 A TW83102429 A TW 83102429A TW 369519 B TW369519 B TW 369519B
Authority
TW
Taiwan
Prior art keywords
difluoromethoxyarenes
preparing
general formula
degree
hydroxide
Prior art date
Application number
TW083102429A
Other languages
English (en)
Inventor
Klaus-Helmut Muller
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6488835&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW369519(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of TW369519B publication Critical patent/TW369519B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B41/00—Formation or introduction of functional groups containing oxygen
    • C07B41/04—Formation or introduction of functional groups containing oxygen of ether, acetal or ketal groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/16—Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
TW083102429A 1993-05-25 1994-03-21 Process for preparing difluoromethoxyarenes TW369519B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4317322A DE4317322A1 (de) 1993-05-25 1993-05-25 Verfahren zur Herstellung von Difluormethoxy- und Difluormethylhioarenen

Publications (1)

Publication Number Publication Date
TW369519B true TW369519B (en) 1999-09-11

Family

ID=6488835

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083102429A TW369519B (en) 1993-05-25 1994-03-21 Process for preparing difluoromethoxyarenes

Country Status (8)

Country Link
US (1) US5463138A (zh)
EP (1) EP0626361B2 (zh)
JP (1) JP3310459B2 (zh)
KR (1) KR100327530B1 (zh)
DE (2) DE4317322A1 (zh)
ES (1) ES2096969T5 (zh)
HU (1) HU215528B (zh)
TW (1) TW369519B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5731477A (en) * 1995-01-31 1998-03-24 Smithkline Beecham Corporation Method for synthesis of aryl difluoromethyl ethers
FR2764888B1 (fr) * 1997-06-24 2000-05-05 Rhodia Chimie Sa Reaction d'etherification d'un aminophenol en utilisant un systeme de transfert de phase
FR2782635B1 (fr) * 1998-08-27 2001-09-14 Oreal Dispositif aerosol contenant un polycondensat comprenant au moins un motif polyurethanne et/ou polyuree
US9193313B2 (en) 2012-03-22 2015-11-24 Nuax, Inc. Methods and apparatuses involving flexible cable/guidewire/interconnects
US9242100B2 (en) 2012-08-07 2016-01-26 Nuax, Inc. Optical fiber-fine wire lead for electrostimulation and sensing
US9025598B1 (en) 2012-03-22 2015-05-05 Nuax, Inc. Cable/guidewire/interconnects communication apparatus and methods
US8692117B2 (en) * 2008-05-28 2014-04-08 Cardia Access, Inc. Durable fine wire electrical conductor suitable for extreme environment applications
US9513443B2 (en) 2008-05-28 2016-12-06 John Lawrence Erb Optical fiber-fine wire conductor and connectors
JP2011248190A (ja) 2010-05-28 2011-12-08 Konica Minolta Business Technologies Inc 定着装置用発熱ベルトと画像形成装置
WO2014113412A1 (en) * 2013-01-15 2014-07-24 University Of Florida Research Foundation, Inc. Difluorocarbene from fluoroform for preparation of difluoromethyoxyarenes, difluorothiomethoxyarenes and heteroarenes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595763A (en) * 1981-07-17 1986-06-17 The Dow Chemical Company Process for preparing methyl ethers or thioethers of aryl compounds
US4405529A (en) * 1982-09-20 1983-09-20 American Cyanamid Company Method for the preparation of difluoromethoxyaromatic compounds
US4404148A (en) * 1982-09-20 1983-09-13 American Cyanamid Company Method for the preparation of difluoromethoxyaromatic compounds
US4407760A (en) * 1982-09-20 1983-10-04 American Cyanamid Company Method for the preparation of difluoromethoxyaromatic compounds
IL69304A0 (en) * 1982-08-23 1983-11-30 American Cyanamid Co Method for the preparation of difluoromethoxyaromatic compounds
JPS6048975A (ja) * 1983-08-29 1985-03-16 Nippon Nohyaku Co Ltd １−（３−ニトロフエニル）−３−メチル−４−ジフルオロメチル−δ↑２−１，２，４−トリアゾリン−５−オン及びその製法
FR2579594B1 (fr) * 1985-03-29 1987-06-05 Rhone Poulenc Spec Chim Procede de preparation de trifluoroethoxy ou trifluoroethylthiobenzenes
CA2014273A1 (en) * 1989-04-18 1990-10-18 Mitsui Toatsu Chemicals, Inc. Preparation of a difluorohalomethoxybenzene
JP2583162B2 (ja) * 1991-05-17 1997-02-19 宇部興産株式会社 ジフルオロメトキシフェニルアルキルケトン類の製造方法

Also Published As

Publication number Publication date
KR100327530B1 (ko) 2002-06-20
HU215528B (hu) 1999-01-28
DE4317322A1 (de) 1994-12-01
EP0626361B2 (de) 2000-07-12
JP3310459B2 (ja) 2002-08-05
HU9401418D0 (en) 1994-08-29
EP0626361A1 (de) 1994-11-30
HUT67641A (en) 1995-04-28
US5463138A (en) 1995-10-31
JPH06340567A (ja) 1994-12-13
ES2096969T5 (es) 2000-10-16
ES2096969T3 (es) 1997-03-16
EP0626361B1 (de) 1997-02-05
DE59401744D1 (de) 1997-03-20

Similar Documents

Publication Publication Date Title
ZA981915B (en) Preparation of preparing substituted indanones.
TW369519B (en) Process for preparing difluoromethoxyarenes
SE8200438L (sv) Framstellning av aromatiska uretaner
AU549640B2 (en) Tropyl benzoate derivatives
ES8405376A1 (es) Un procedimiento para la preparacion de 2-amino-bencimidazoles 1,5(6)-sustituidos.
FR2698353B1 (fr) Procédé de O-alkylation des composés phénoliques.
MX9702990A (es) Amplificacion y deteccion de especie compleja de mycobacterium avium.
ES486617A1 (es) Procedimiento para la obtencion de zeolita a.
DE3569729D1 (en) 3-aminoazetidine, its salts, process for their preparation and intermediates
NZ513551A (en) Novel process for preparing alendronic acid
AU7021391A (en) Chemical compound containing alkali metals or alkaline earth metals, catalyst containing the compound and reaction process using the catalyst
GB9714302D0 (en) Process
MXPA05000054A (es) Proceso para la preparacion de compuestos de felil pirazol.
ZA985771B (en) Process for preparing 2-alkylthio-4-substituted benzonitrile.
DK1109788T3 (da) Kemisk fremgangsmåde til fremstilling af 2-hydroxy-6-trifluormethylpyridin
PL349434A1 (en) Method for preparing polyhalogenated paratrifluoromethylanilines
KR830008484A (ko) 제초 조성물
ES2072817A1 (es) Procedimiento para preparar compuestos organicos etanicos fluorados
EP0866068A4 (en) METHOD FOR PRODUCING BENZYL METAL COMPOUNDS AND METHOD FOR PRODUCING 4-PHENYL-1-BUTEN USES THEREOF
ES483699A1 (es) Un procedimiento para la preparacion del derivado acido 1h- indazol-3-ilacetico
JPS5583752A (en) Pyrazole derivative, and herbicide containing the same
AR002088A1 (es) Procedimiento para preparar 8-hidroxiquinolinas sustituidas.
JPS5610149A (en) Preparation of nitrotoluene derivative
JPS57206644A (en) Preparation of 4-(4- (anilino)phenoxy)-2-pentenoic acid derivative
EP0292169A3 (en) Substrates for b-galactosidase