BR9805390B1 - processo para preparação de 2-(metilsulfonil)-5-trifluormetil)-1,3,4-tiadiazol. - Google Patents

processo para preparação de 2-(metilsulfonil)-5-trifluormetil)-1,3,4-tiadiazol.

Info

Publication number: BR9805390B1
Authority: BR; Brazil
Prior art keywords: thiadiazole; methylsulfonyl; trifluoromethyl; preparing
Prior art date: 1997-12-12

Application number

BRPI9805390-6A

Other languages

English (en)

Other versions

BR9805390A (pt

Inventor

Vidyanatha A Prasad

Jacqueline M Dr Applegate

Klaus Dr Jelich

Achim Noack

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.)

1997-12-12

Filing date

1998-12-11

Publication date

2009-05-05

1998-12-11 Application filed filed Critical

2000-02-01 Publication of BR9805390A publication Critical patent/BR9805390A/pt

2009-05-05 Publication of BR9805390B1 publication Critical patent/BR9805390B1/pt

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)

BRPI9805390-6A 1997-12-12 1998-12-11 processo para preparação de 2-(metilsulfonil)-5-trifluormetil)-1,3,4-tiadiazol. BR9805390B1 (pt)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
BR9805390A BR9805390A (pt)	2000-02-01
BR9805390B1 true BR9805390B1 (pt)	2009-05-05

Family

ID=25535253

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI9805390-6A BR9805390B1 (pt)	1997-12-12	1998-12-11	processo para preparação de 2-(metilsulfonil)-5-trifluormetil)-1,3,4-tiadiazol.

Country Status (13)

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

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

1997
- 1997-12-12 US US08/989,594 patent/US5856499A/en not_active Expired - Lifetime
1998
- 1998-11-27 CA CA002254623A patent/CA2254623C/en not_active Expired - Fee Related
- 1998-12-01 DE DE69832029T patent/DE69832029T2/de not_active Expired - Lifetime
- 1998-12-01 ES ES98122763T patent/ES2247654T3/es not_active Expired - Lifetime
- 1998-12-01 EP EP98122763A patent/EP0926144B1/en not_active Expired - Lifetime
- 1998-12-01 DK DK98122763T patent/DK0926144T3/da active
- 1998-12-02 KR KR1019980052637A patent/KR100577640B1/ko not_active IP Right Cessation
- 1998-12-09 JP JP34997298A patent/JP4472040B2/ja not_active Expired - Lifetime
- 1998-12-09 IN IN3712DE1998 patent/IN190799B/en unknown
- 1998-12-09 IL IL12746098A patent/IL127460A/en not_active IP Right Cessation
- 1998-12-11 TW TW087120573A patent/TW513419B/zh not_active IP Right Cessation
- 1998-12-11 BR BRPI9805390-6A patent/BR9805390B1/pt not_active IP Right Cessation
- 1998-12-11 CN CN98125305A patent/CN1094932C/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ES2247654T3 (es)	2006-03-01
CN1094932C (zh)	2002-11-27
TW513419B (en)	2002-12-11
CA2254623A1 (en)	1999-06-12
DK0926144T3 (da)	2006-02-20
IN190799B (pt)	2003-08-23
DE69832029D1 (de)	2005-12-01
BR9805390A (pt)	2000-02-01
JP4472040B2 (ja)	2010-06-02
CA2254623C (en)	2007-10-23
DE69832029T2 (de)	2006-09-14
EP0926144A1 (en)	1999-06-30
IL127460A0 (en)	1999-10-28
IL127460A (en)	2001-10-31
JPH11246538A (ja)	1999-09-14
EP0926144B1 (en)	2005-10-26
CN1223260A (zh)	1999-07-21
KR100577640B1 (ko)	2006-08-30
KR19990062743A (ko)	1999-07-26
US5856499A (en)	1999-01-05

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Legal Events

Date	Code	Title	Description
2008-03-25	B06A	Patent application procedure suspended [chapter 6.1 patent gazette]
2008-03-25	B15K	Others concerning applications: alteration of classification	Free format text: ALTERADO DE INT.CI: C07D 285/125 Ipc: C07D 285/125 (2008.01)
2008-12-09	B09A	Decision: intention to grant [chapter 9.1 patent gazette]
2009-05-19	B16A	Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]	Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 19/05/2009, OBSERVADAS AS CONDICOES LEGAIS.
2019-12-03	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 19.05.2019