KR100577635B1 - 메틸디티오카바지네이트를 사용한 2-(메틸티오)-5-(트리플루오로메틸)-1,3,4-티아디아졸의 제조방법 - Google Patents
메틸디티오카바지네이트를 사용한 2-(메틸티오)-5-(트리플루오로메틸)-1,3,4-티아디아졸의 제조방법 Download PDFInfo
- Publication number
- KR100577635B1 KR100577635B1 KR1019980052634A KR19980052634A KR100577635B1 KR 100577635 B1 KR100577635 B1 KR 100577635B1 KR 1019980052634 A KR1019980052634 A KR 1019980052634A KR 19980052634 A KR19980052634 A KR 19980052634A KR 100577635 B1 KR100577635 B1 KR 100577635B1
- Authority
- KR
- South Korea
- Prior art keywords
- thiadiazole
- mdtc
- methylthio
- bis
- tfa
- Prior art date
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)
Abstract
Description
Claims (8)
- (a) 메틸디티오카바지네이트를 포스포러스 트리클로라이드의 부재하에 트리플루오로아세트산과 반응시켜서 2-(메틸티오)-5-(트리플루오로메틸)-1,3,4-티아디아졸과 2,5-비스-(메틸티오)-1,3,4-티아디아졸의 혼합물을 형성하고;(b) 반응 혼합물을 산성화하고, 상 분리하여 2,5-비스-(메틸티오)-1,3,4-티아디아졸을 선택적으로 제거하는 단계들을 포함하는, 2-(메틸티오)-5-(트리플루오로메틸)-1,3,4-티아디아졸을 제조하는 방법.
- 제 1 항에 있어서, 혼합물을 진한 무기산으로 산성화시키는 방법.
- 제 2 항에 있어서, 진한 무기산이 염산, 황산 또는 질산인 방법.
- 제 3 항에 있어서, 무기산이 황산이고, 약 55% 내지 약 95%의 농도를 갖는 방법.
- 제 4 항에 있어서, 반응 혼합물에 첨가되는 황산의 양이 2,5-비스(메틸티오)-1,3,4-티아디아졸 1 몰당 약 2 몰 내지 약 10 몰인 방법.
- 제 1 항에 있어서, 산성화가 약 20℃ 내지 약 60℃의 온도에서 일어나는 방법.
- 제 1 항에 있어서, 반응이 트리플루오로아세트산 용매, 또는 트리플루오로아세트산 용매와 비프로톤성 방향족 공동용매의 존재하에서 일어나는 방법.
- 제 1 항에 있어서, 메틸디티오카바지네이트 대 트리플루오로아세트산의 몰비가 약 4:1 내지 약 1:5인 방법.
Applications Claiming Priority (3)
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 |
US8/989,563 | 1997-12-12 | ||
US08/989,563 | 1997-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990062740A KR19990062740A (ko) | 1999-07-26 |
KR100577635B1 true KR100577635B1 (ko) | 2006-09-27 |
Family
ID=25535229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980052634A KR100577635B1 (ko) | 1997-12-12 | 1998-12-02 | 메틸디티오카바지네이트를 사용한 2-(메틸티오)-5-(트리플루오로메틸)-1,3,4-티아디아졸의 제조방법 |
Country Status (15)
Country | Link |
---|---|
US (2) | US6005114A (ko) |
EP (1) | EP0926141B1 (ko) |
JP (1) | JP4497568B2 (ko) |
KR (1) | KR100577635B1 (ko) |
CN (1) | CN1117739C (ko) |
BR (1) | BR9805393B1 (ko) |
CA (1) | CA2254610C (ko) |
DE (1) | DE69834471T2 (ko) |
DK (1) | DK0926141T3 (ko) |
ES (1) | ES2258808T3 (ko) |
HK (1) | HK1020733A1 (ko) |
HU (1) | HU221653B1 (ko) |
IL (1) | IL127457A (ko) |
IN (1) | IN191508B (ko) |
TW (1) | TW408118B (ko) |
Families Citing this family (6)
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 |
Citations (2)
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 |
EP0298338A1 (de) * | 1987-07-07 | 1989-01-11 | Bayer Ag | Mikrobizide Mittel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
-
1997
- 1997-12-12 US US08/989,563 patent/US6005114A/en not_active Expired - Lifetime
-
1998
- 1998-11-27 CA CA002254610A patent/CA2254610C/en not_active Expired - Lifetime
- 1998-12-01 EP EP98122760A patent/EP0926141B1/en not_active Expired - Lifetime
- 1998-12-01 ES ES98122760T patent/ES2258808T3/es not_active Expired - Lifetime
- 1998-12-01 DK DK98122760T patent/DK0926141T3/da active
- 1998-12-01 DE DE69834471T patent/DE69834471T2/de not_active Expired - Lifetime
- 1998-12-02 KR KR1019980052634A patent/KR100577635B1/ko not_active IP Right Cessation
- 1998-12-09 JP JP34996398A patent/JP4497568B2/ja not_active Expired - Lifetime
- 1998-12-09 IL IL12745798A patent/IL127457A/en not_active IP Right Cessation
- 1998-12-09 IN IN3709DE1998 patent/IN191508B/en unknown
- 1998-12-10 HU HU9802874A patent/HU221653B1/hu not_active IP Right Cessation
- 1998-12-11 TW TW087120570A patent/TW408118B/zh not_active IP Right Cessation
- 1998-12-11 CN CN98125307A patent/CN1117739C/zh not_active Expired - Lifetime
- 1998-12-11 BR BRPI9805393-0A patent/BR9805393B1/pt not_active IP Right Cessation
- 1998-12-18 US US09/215,492 patent/US6034245A/en not_active Expired - Lifetime
-
1999
- 1999-12-20 HK HK99105991A patent/HK1020733A1/xx not_active IP Right Cessation
Patent Citations (2)
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 |
EP0298338A1 (de) * | 1987-07-07 | 1989-01-11 | Bayer Ag | Mikrobizide Mittel |
Also Published As
Publication number | Publication date |
---|---|
CA2254610A1 (en) | 1999-06-12 |
HU221653B1 (hu) | 2002-12-28 |
DE69834471T2 (de) | 2006-12-14 |
CN1117739C (zh) | 2003-08-13 |
HUP9802874A3 (en) | 2000-02-28 |
HUP9802874A2 (hu) | 1999-09-28 |
IL127457A (en) | 2001-09-13 |
DE69834471D1 (de) | 2006-06-14 |
BR9805393A (pt) | 2000-02-01 |
TW408118B (en) | 2000-10-11 |
BR9805393B1 (pt) | 2009-08-11 |
JP4497568B2 (ja) | 2010-07-07 |
JPH11236380A (ja) | 1999-08-31 |
HK1020733A1 (en) | 2000-05-19 |
KR19990062740A (ko) | 1999-07-26 |
EP0926141B1 (en) | 2006-05-10 |
HU9802874D0 (en) | 1999-02-01 |
IN191508B (ko) | 2003-12-06 |
CA2254610C (en) | 2008-10-14 |
CN1221740A (zh) | 1999-07-07 |
IL127457A0 (en) | 1999-10-28 |
US6005114A (en) | 1999-12-21 |
ES2258808T3 (es) | 2006-09-01 |
US6034245A (en) | 2000-03-07 |
EP0926141A1 (en) | 1999-06-30 |
DK0926141T3 (da) | 2006-09-11 |
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