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BR8903139A - Processo para o combate seletivo de erva daninha em culturas de plantas uteis,processo para preparacao de composicoes seletivas-herbicidas,amidas do acido difluormetil-tiadiazolil-oxiacetico,processo para sua preparacao,5-difluormetil-2-metilsulfonil-1,3,4-tiadiazol,5-difluormetil-2-metiltio-1,3,4-tiadiazol e composicao herbicida - Google Patents

Processo para o combate seletivo de erva daninha em culturas de plantas uteis,processo para preparacao de composicoes seletivas-herbicidas,amidas do acido difluormetil-tiadiazolil-oxiacetico,processo para sua preparacao,5-difluormetil-2-metilsulfonil-1,3,4-tiadiazol,5-difluormetil-2-metiltio-1,3,4-tiadiazol e composicao herbicida

Info

Publication number
BR8903139A
BR8903139A BR898903139A BR8903139A BR8903139A BR 8903139 A BR8903139 A BR 8903139A BR 898903139 A BR898903139 A BR 898903139A BR 8903139 A BR8903139 A BR 8903139A BR 8903139 A BR8903139 A BR 8903139A
Authority
BR
Brazil
Prior art keywords
methyl
difluormetyl
preparation
selective
thyadiazolyl
Prior art date
Application number
BR898903139A
Other languages
English (en)
Inventor
Heinz Foerster
Hans-Joachim Santel
Robert R Schmidt
Harry Strang
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR8903139A publication Critical patent/BR8903139A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D285/00Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01Five-membered rings
    • C07D285/02Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/121,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/1251,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/13Oxygen atoms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/82Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D417/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Plural Heterocyclic Compounds (AREA)
BR898903139A 1988-06-27 1989-06-27 Processo para o combate seletivo de erva daninha em culturas de plantas uteis,processo para preparacao de composicoes seletivas-herbicidas,amidas do acido difluormetil-tiadiazolil-oxiacetico,processo para sua preparacao,5-difluormetil-2-metilsulfonil-1,3,4-tiadiazol,5-difluormetil-2-metiltio-1,3,4-tiadiazol e composicao herbicida BR8903139A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3821597A DE3821597A1 (de) 1988-06-27 1988-06-27 5-difluormethyl-1,3,4-thiadiazol-2-yl- oxyessigsaeureamide, verfahren und 5-difluormethyl-2- methylsulfonyl- bzw. 2- methylthio-1,3,4-thiadiazol als zwischenprodukte zu ihrer herstellung und ihre verwendung als selektivherbizide

Publications (1)

Publication Number Publication Date
BR8903139A true BR8903139A (pt) 1990-02-06

Family

ID=6357322

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903139A BR8903139A (pt) 1988-06-27 1989-06-27 Processo para o combate seletivo de erva daninha em culturas de plantas uteis,processo para preparacao de composicoes seletivas-herbicidas,amidas do acido difluormetil-tiadiazolil-oxiacetico,processo para sua preparacao,5-difluormetil-2-metilsulfonil-1,3,4-tiadiazol,5-difluormetil-2-metiltio-1,3,4-tiadiazol e composicao herbicida

Country Status (8)

Country Link
US (1) US4988380A (pt)
EP (1) EP0348734B1 (pt)
JP (1) JP2909098B2 (pt)
AU (1) AU3642489A (pt)
BR (1) BR8903139A (pt)
DE (2) DE3821597A1 (pt)
DK (1) DK316289A (pt)
ZA (1) ZA894822B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003436A1 (de) * 1990-02-06 1991-08-08 Bayer Ag Verfahren zur herstellung von 2-alkylthio-1,3,4-thiadiazolen
DE4223465A1 (de) 1992-07-16 1994-01-20 Bayer Ag Herbizide Mittel auf Basis von Heteroaryloxyacetamiden
DE19546751B4 (de) * 1994-12-23 2005-02-17 Bayer Cropscience Ag Selektive Herbizide auf Basis von Heteroaryloxy-acetamiden
US6005114A (en) * 1997-12-12 1999-12-21 Bayer Corporation Process for making 2-(methylthio)-5(trifluoromethyl)-1,3,4,-thiadiazole using methyldithiocarbazinate with trifluoroacetic acid with selective removal of 2,5-bis(methylthio)-1,3,4-thiadiazole
US6340655B1 (en) 1999-06-22 2002-01-22 American Cyanamid Co. Herbicidal emulsifiable concentrate compositions of dinitroaniline and oxyacetamide herbicides
DE19933936A1 (de) 1999-07-20 2001-01-25 Bayer Ag Substituierte Heteroaryloxyacetanilide
DE19935964A1 (de) * 1999-07-30 2001-02-01 Bayer Ag 5-Chlordifluormethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide
EP1298996A1 (de) * 2000-05-22 2003-04-09 Bayer CropScience AG Selektive herbizide auf basis von heteroaryloxy-acetamiden
DE10041619A1 (de) 2000-05-22 2001-11-29 Bayer Ag Selektive Herbizide auf Basis von Heteroaryloxyacetamiden

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005213A (en) * 1968-12-21 1977-01-25 Schering Aktiengesellschaft 2,5-Substituted-1,3,4-thiadiazoles as fungicides
EP0005501B1 (de) * 1978-05-20 1981-11-25 Bayer Ag Heteroaryl-oxyessigsäureamide, Verfahren zu ihrer Herstellung und ihre Verwendung als Herbizide
DE3400168A1 (de) * 1984-01-04 1985-07-11 Bayer Ag, 5090 Leverkusen 5-halogenalkyl-1,3,4-thiadiazol-2-yloxyacetamide
DE3722320A1 (de) * 1987-07-07 1989-01-19 Bayer Ag Mikrobizide mittel

Also Published As

Publication number Publication date
DK316289D0 (da) 1989-06-26
AU3642489A (en) 1990-01-04
JP2909098B2 (ja) 1999-06-23
US4988380A (en) 1991-01-29
ZA894822B (en) 1990-04-25
JPH0245403A (ja) 1990-02-15
EP0348734A1 (de) 1990-01-03
DE3821597A1 (de) 1989-12-28
DE58902491D1 (de) 1992-11-26
DK316289A (da) 1989-12-28
EP0348734B1 (de) 1992-10-21

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