DE69832029D1 - Synthese von 2-(Methylsulfonyl)-5-(Trifluormethyl)-1,3,4-Thiadiazol in Anwesenheit von Eisessig als Katalysator - Google Patents

Synthese von 2-(Methylsulfonyl)-5-(Trifluormethyl)-1,3,4-Thiadiazol in Anwesenheit von Eisessig als Katalysator

Info

Publication number
DE69832029D1
DE69832029D1 DE69832029T DE69832029T DE69832029D1 DE 69832029 D1 DE69832029 D1 DE 69832029D1 DE 69832029 T DE69832029 T DE 69832029T DE 69832029 T DE69832029 T DE 69832029T DE 69832029 D1 DE69832029 D1 DE 69832029D1
Authority
DE
Germany
Prior art keywords
thiadiazole
methylsulfonyl
trifluoromethyl
synthesis
catalyst
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69832029T
Other languages
English (en)
Other versions
DE69832029T2 (de
Inventor
Vidyanatha A Prasad
Dr Applegate
Klaus Dr Jelich
Achim Noack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Bayer Corp
Original Assignee
Bayer AG
Bayer Corp
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, Bayer Corp filed Critical Bayer AG
Application granted granted Critical
Publication of DE69832029D1 publication Critical patent/DE69832029D1/de
Publication of DE69832029T2 publication Critical patent/DE69832029T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
DE69832029T 1997-12-12 1998-12-01 Synthese von 2-(Methylsulfonyl)-5-(Trifluormethyl)-1,3,4-Thiadiazol in Anwesenheit von Eisessig als Katalysator Expired - Lifetime DE69832029T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/989,594 US5856499A (en) 1997-12-12 1997-12-12 Synthesis of 2-(methysulfonyl)-5-(trifluoro-methyl)-,3,4-thiadiazole via oxidation of 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole with glacial acetic acid
US989594 1997-12-12

Publications (2)

Publication Number Publication Date
DE69832029D1 true DE69832029D1 (de) 2005-12-01
DE69832029T2 DE69832029T2 (de) 2006-09-14

Family

ID=25535253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69832029T Expired - Lifetime DE69832029T2 (de) 1997-12-12 1998-12-01 Synthese von 2-(Methylsulfonyl)-5-(Trifluormethyl)-1,3,4-Thiadiazol in Anwesenheit von Eisessig als Katalysator

Country Status (13)

Country Link
US (1) US5856499A (de)
EP (1) EP0926144B1 (de)
JP (1) JP4472040B2 (de)
KR (1) KR100577640B1 (de)
CN (1) CN1094932C (de)
BR (1) BR9805390B1 (de)
CA (1) CA2254623C (de)
DE (1) DE69832029T2 (de)
DK (1) DK0926144T3 (de)
ES (1) ES2247654T3 (de)
IL (1) IL127460A (de)
IN (1) IN190799B (de)
TW (1) TW513419B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2254579C (en) * 1997-12-12 2007-10-30 Bayer Corporation Synthesis of 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole via oxidation of 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole with a molybdenum or tungsten catalyst
US5965737A (en) * 1999-02-17 1999-10-12 Bayer Corporation Approach to the conversion of 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole (TDA) to 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole (TDA sulfone)
WO2014121439A1 (zh) 2013-02-05 2014-08-14 浙江省诸暨合力化学对外贸易有限公司 噻二唑酰胺衍生物合成方法
CN103288776B (zh) * 2013-03-21 2015-05-13 浙江省诸暨合力化学对外贸易有限公司 一种2-亚砜基-5-(三氟甲基)-1,3,4-噻二唑类化合物的合成方法
CN103664824A (zh) * 2013-11-19 2014-03-26 泸州东方农化有限公司 噻二唑酰胺类化合物的制备方法

Family Cites Families (3)

* 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
DE1817069C3 (de) * 1968-12-21 1978-11-02 Schering Ag, 1000 Berlin Und 4619 Bergkamen 2-Halogenmethyl-5-alkylsulfinyl- bzw.-sulfonyl-13,4-thiadiazole
DE3722320A1 (de) * 1987-07-07 1989-01-19 Bayer Ag Mikrobizide mittel

Also Published As

Publication number Publication date
IL127460A (en) 2001-10-31
ES2247654T3 (es) 2006-03-01
CN1094932C (zh) 2002-11-27
KR100577640B1 (ko) 2006-08-30
JPH11246538A (ja) 1999-09-14
BR9805390B1 (pt) 2009-05-05
US5856499A (en) 1999-01-05
JP4472040B2 (ja) 2010-06-02
IN190799B (de) 2003-08-23
IL127460A0 (en) 1999-10-28
BR9805390A (pt) 2000-02-01
EP0926144A1 (de) 1999-06-30
CN1223260A (zh) 1999-07-21
CA2254623C (en) 2007-10-23
DK0926144T3 (da) 2006-02-20
DE69832029T2 (de) 2006-09-14
KR19990062743A (ko) 1999-07-26
EP0926144B1 (de) 2005-10-26
TW513419B (en) 2002-12-11
CA2254623A1 (en) 1999-06-12

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