DK0926141T3 - Fremgangsmåde til fremstilling af 2-(methylthio)-5-(trifluormethyl)-1,3,4-thiadiazol ud fra dithiocarbazinsyremethylester og trifluoreddikesyre - Google Patents

Fremgangsmåde til fremstilling af 2-(methylthio)-5-(trifluormethyl)-1,3,4-thiadiazol ud fra dithiocarbazinsyremethylester og trifluoreddikesyre

Info

Publication number
DK0926141T3
DK0926141T3 DK98122760T DK98122760T DK0926141T3 DK 0926141 T3 DK0926141 T3 DK 0926141T3 DK 98122760 T DK98122760 T DK 98122760T DK 98122760 T DK98122760 T DK 98122760T DK 0926141 T3 DK0926141 T3 DK 0926141T3
Authority
DK
Denmark
Prior art keywords
thiadiazole
methylthio
trifluoromethyl
preparation
methyl ester
Prior art date
Application number
DK98122760T
Other languages
Danish (da)
English (en)
Inventor
Vidyanatha A Prasad
Peter E Newallis
Thomas K G Schmidt
Original Assignee
Bayer Corp
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 Corp, Bayer Ag filed Critical Bayer Corp
Application granted granted Critical
Publication of DK0926141T3 publication Critical patent/DK0926141T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK98122760T 1997-12-12 1998-12-01 Fremgangsmåde til fremstilling af 2-(methylthio)-5-(trifluormethyl)-1,3,4-thiadiazol ud fra dithiocarbazinsyremethylester og trifluoreddikesyre DK0926141T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/989,563 US6005114A (en) 1997-12-12 1997-12-12 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

Publications (1)

Publication Number Publication Date
DK0926141T3 true DK0926141T3 (da) 2006-09-11

Family

ID=25535229

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98122760T DK0926141T3 (da) 1997-12-12 1998-12-01 Fremgangsmåde til fremstilling af 2-(methylthio)-5-(trifluormethyl)-1,3,4-thiadiazol ud fra dithiocarbazinsyremethylester og trifluoreddikesyre

Country Status (14)

Country Link
US (2) US6005114A (OSRAM)
EP (1) EP0926141B1 (OSRAM)
JP (1) JP4497568B2 (OSRAM)
KR (1) KR100577635B1 (OSRAM)
CN (1) CN1117739C (OSRAM)
BR (1) BR9805393B1 (OSRAM)
CA (1) CA2254610C (OSRAM)
DE (1) DE69834471T2 (OSRAM)
DK (1) DK0926141T3 (OSRAM)
ES (1) ES2258808T3 (OSRAM)
HU (1) HU221653B1 (OSRAM)
IL (1) IL127457A (OSRAM)
IN (1) IN191508B (OSRAM)
TW (1) TW408118B (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6469175B1 (en) 2001-02-20 2002-10-22 Bayer Corporation Methods of purifying 2-methylthio-5-trifluoromethyl-1,3,4-thiadiazole
RU2455294C2 (ru) * 2010-01-11 2012-07-10 Учреждение Российской Академии Наук Институт Нефтехимии И Катализа Ран Способ получения 2,5-диалкил-3-фенил(бензил)-1,3,4-тиадиазолидинов
CN104119296A (zh) * 2013-04-25 2014-10-29 苏州科捷生物医药有限公司 一种2-三氟甲基-5-哌嗪基-噻二唑的合成方法
CN105646397A (zh) * 2014-11-27 2016-06-08 孙智华 一种氟噻草胺的制备方法
EP3415506A1 (en) 2017-06-13 2018-12-19 Solvay Sa Process for the manufacture of haloalkyl substituted thiadiazole compounds
CN111925340A (zh) * 2019-12-16 2020-11-13 山东金城柯瑞化学有限公司 一种甲基巯基噻二唑的制备工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562284A (en) * 1968-02-05 1971-02-09 American Cyanamid Co 2-(substituted) sulfonyl-5-trifluoromethyl-1,3,4-thiadiazoles
DE3422861A1 (de) * 1984-06-20 1986-01-02 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von heteroaryloxyacetamiden
US5177090A (en) * 1987-07-07 1993-01-05 Bayer Aktiengesellschaft Microbicidal agents
DE3722320A1 (de) * 1987-07-07 1989-01-19 Bayer Ag Mikrobizide mittel
DE3821597A1 (de) * 1988-06-27 1989-12-28 Bayer Ag 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
DE4003436A1 (de) * 1990-02-06 1991-08-08 Bayer Ag Verfahren zur herstellung von 2-alkylthio-1,3,4-thiadiazolen

Also Published As

Publication number Publication date
CN1221740A (zh) 1999-07-07
EP0926141B1 (en) 2006-05-10
CA2254610C (en) 2008-10-14
IN191508B (OSRAM) 2003-12-06
BR9805393A (pt) 2000-02-01
HUP9802874A3 (en) 2000-02-28
IL127457A (en) 2001-09-13
HK1020733A1 (en) 2000-05-19
US6005114A (en) 1999-12-21
EP0926141A1 (en) 1999-06-30
JP4497568B2 (ja) 2010-07-07
TW408118B (en) 2000-10-11
HUP9802874A2 (hu) 1999-09-28
HU9802874D0 (en) 1999-02-01
BR9805393B1 (pt) 2009-08-11
ES2258808T3 (es) 2006-09-01
DE69834471D1 (de) 2006-06-14
CN1117739C (zh) 2003-08-13
DE69834471T2 (de) 2006-12-14
JPH11236380A (ja) 1999-08-31
KR19990062740A (ko) 1999-07-26
IL127457A0 (en) 1999-10-28
HU221653B1 (hu) 2002-12-28
CA2254610A1 (en) 1999-06-12
KR100577635B1 (ko) 2006-09-27
US6034245A (en) 2000-03-07

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