TW408118B - A process for making 2-(methylthio)-5-(trifluoromethyl)-1, 3, 4-thiadiazole using methyldithiocarbazinate - Google Patents

A process for making 2-(methylthio)-5-(trifluoromethyl)-1, 3, 4-thiadiazole using methyldithiocarbazinate Download PDF

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Publication number
TW408118B
TW408118B TW087120570A TW87120570A TW408118B TW 408118 B TW408118 B TW 408118B TW 087120570 A TW087120570 A TW 087120570A TW 87120570 A TW87120570 A TW 87120570A TW 408118 B TW408118 B TW 408118B
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TW
Taiwan
Prior art keywords
patent application
acid
item
bis
thiadiazole
Prior art date
Application number
TW087120570A
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English (en)
Chinese (zh)
Inventor
Vidyanatha A Prasad
Thomas K G Schmidt
Peter E Newallis
Original Assignee
Bayer Ag
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Publication date
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Publication of TW408118B publication Critical patent/TW408118B/zh

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    • 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

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  • 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)
TW087120570A 1997-12-12 1998-12-11 A process for making 2-(methylthio)-5-(trifluoromethyl)-1, 3, 4-thiadiazole using methyldithiocarbazinate TW408118B (en)

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
TW408118B true TW408118B (en) 2000-10-11

Family

ID=25535229

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087120570A TW408118B (en) 1997-12-12 1998-12-11 A process for making 2-(methylthio)-5-(trifluoromethyl)-1, 3, 4-thiadiazole using methyldithiocarbazinate

Country Status (14)

Country Link
US (2) US6005114A (en, 2012)
EP (1) EP0926141B1 (en, 2012)
JP (1) JP4497568B2 (en, 2012)
KR (1) KR100577635B1 (en, 2012)
CN (1) CN1117739C (en, 2012)
BR (1) BR9805393B1 (en, 2012)
CA (1) CA2254610C (en, 2012)
DE (1) DE69834471T2 (en, 2012)
DK (1) DK0926141T3 (en, 2012)
ES (1) ES2258808T3 (en, 2012)
HU (1) HU221653B1 (en, 2012)
IL (1) IL127457A (en, 2012)
IN (1) IN191508B (en, 2012)
TW (1) TW408118B (en, 2012)

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
DE3722320A1 (de) * 1987-07-07 1989-01-19 Bayer Ag Mikrobizide mittel
US5177090A (en) * 1987-07-07 1993-01-05 Bayer Aktiengesellschaft Microbicidal agents
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
CN1117739C (zh) 2003-08-13
HK1020733A1 (en) 2000-05-19
US6034245A (en) 2000-03-07
HU9802874D0 (en) 1999-02-01
HU221653B1 (hu) 2002-12-28
IL127457A0 (en) 1999-10-28
EP0926141B1 (en) 2006-05-10
CA2254610C (en) 2008-10-14
US6005114A (en) 1999-12-21
HUP9802874A2 (hu) 1999-09-28
ES2258808T3 (es) 2006-09-01
HUP9802874A3 (en) 2000-02-28
IN191508B (en, 2012) 2003-12-06
IL127457A (en) 2001-09-13
EP0926141A1 (en) 1999-06-30
KR100577635B1 (ko) 2006-09-27
DE69834471D1 (de) 2006-06-14
CN1221740A (zh) 1999-07-07
DK0926141T3 (da) 2006-09-11
BR9805393B1 (pt) 2009-08-11
BR9805393A (pt) 2000-02-01
CA2254610A1 (en) 1999-06-12
KR19990062740A (ko) 1999-07-26
DE69834471T2 (de) 2006-12-14
JP4497568B2 (ja) 2010-07-07
JPH11236380A (ja) 1999-08-31

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