KR100577631B1 - 비프로톤성의 방향족 용매를 사용하여 n-(4-플루오로페닐)-n-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드를 제조하는 방법 - Google Patents
비프로톤성의 방향족 용매를 사용하여 n-(4-플루오로페닐)-n-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드를 제조하는 방법 Download PDFInfo
- Publication number
- KR100577631B1 KR100577631B1 KR1019980052633A KR19980052633A KR100577631B1 KR 100577631 B1 KR100577631 B1 KR 100577631B1 KR 1019980052633 A KR1019980052633 A KR 1019980052633A KR 19980052633 A KR19980052633 A KR 19980052633A KR 100577631 B1 KR100577631 B1 KR 100577631B1
- Authority
- KR
- South Korea
- Prior art keywords
- methylethyl
- trifluoromethyl
- fluorophenyl
- acetamide
- oxy
- Prior art date
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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
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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)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims (10)
- (a) 2-(메틸설포닐)-5-(트리플루오로메틸)-1,3,4-티아디아졸을 비프로톤성의 방향족 용매의 존재하에서 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-하이드록시아세트아미드 및 수성 알칼리와 반응시켜 수성상과 유기상을 형성시키고,(b) 무기산을 첨가하여 혼합물을 산성화시키며,(c) 상들을 분리하고,(d) 유기상으로 부터 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-[(5-트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드를 회수하는 단계들을 포함하는 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드의 제조방법.
- 제 1 항에 있어서, 용매가 톨루엔, 크실렌, 쿠멘 또는 메시틸렌인 방법.
- 제 1 항에 있어서, 수성 알칼리가 수성 알칼리 금속 하이드록사이드인 방법.
- 제 1 항에 있어서, 수성상이 약 8 내지 약 14의 pH를 갖는 방법.
- 제 1 항에 있어서, 톨루엔중의 2-(메틸설포닐)-5-(트리플루오로메틸)-1,3,4-티아디아졸을 톨루엔중의 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-하이드록시아세트아미드와 혼합시키고, 수성 알칼리를 약 0℃ 내지 약 30℃의 온도에서 첨가하는 방법.
- 제 1 항에 있어서, 2-(메틸설포닐)-5-(트리플루오로메틸)-1,3,4-티아디아졸 대 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-하이드록시아세트아미드의 몰 비는 약 1.5:1 내지 약 1:1.5인 방법.
- 제 1 항에 있어서, 단계 (b)에서 반응 혼합물의 pH를 약 1.0 내지 약 6.0의 pH로 조정하는 방법.
- 제 1 항에 있어서, 산성화후 반응 혼합물을 약 30℃ 내지 약 60℃의 온도로 가열하고, 가열후 반응 혼합물을 여과하는 방법.
- 제 1 항에 있어서, N-(4-플루오로페닐)-N-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드를 무기산을 첨가하여 유기상을 산성화시키고, 유기상으로부터 용매를 제거하여 용융된 물질을 형성하며, 용융된 물질로부터 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일-옥시]-아세트아미드를 분리하여 회수하는 방법.
- 톨루엔중의 2-(메틸설포닐)-5-(트리플루오로메틸)-1,3,4-티아디아졸 및 톨루엔중의 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-하이드록시아세트아미드를 반응 용기에 첨가하여 반응 혼합물을 형성하고, 반응 혼합물을 약 0℃ 내지 5℃로 냉각시키며, 수산화 나트륨 수용액을 반응 혼합물에 첨가하고 반응 혼합물을 약 5℃ 내지 약 15℃의 온도로 약 1시간 내지 약 3시간 범위의 시간 동안 유지하여 약 8 내지 약 14의 pH를 갖는 수성상 및 유기상을 형성하고, 혼합물을 산성화시키며, 상들을 약 10℃ 내지 약 90℃의 온도로 가열하며, 반응 혼합물을 여과하고, 상들을 분리하며, 유기상으로부터 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드를 회수하는 것을 포함하는 N-(4-플루오로페닐)-N-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드의 제조방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8/989,597 | 1997-12-12 | ||
US08/989,597 US5895818A (en) | 1997-12-12 | 1997-12-12 | Process for making N-(4-fluorophenyl)-N-(1-methylethyl)-2- (5-trifuloromethyl)-1,3,4-thiadiazol-2-yl)oxy!acetamide using an aprotic, aromatic solvent |
US08/989,597 | 1997-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990062739A KR19990062739A (ko) | 1999-07-26 |
KR100577631B1 true KR100577631B1 (ko) | 2006-11-30 |
Family
ID=25535257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980052633A KR100577631B1 (ko) | 1997-12-12 | 1998-12-02 | 비프로톤성의 방향족 용매를 사용하여 n-(4-플루오로페닐)-n-(1-메틸에틸)-2-[(5-(트리플루오로메틸)-1,3,4-티아디아졸-2-일)-옥시]-아세트아미드를 제조하는 방법 |
Country Status (16)
Country | Link |
---|---|
US (1) | US5895818A (ko) |
EP (1) | EP0927720B1 (ko) |
JP (1) | JP4511648B2 (ko) |
KR (1) | KR100577631B1 (ko) |
CN (1) | CN1134424C (ko) |
BR (1) | BR9805388A (ko) |
CA (1) | CA2254625A1 (ko) |
DE (1) | DE69832141T2 (ko) |
DK (1) | DK0927720T3 (ko) |
ES (1) | ES2248870T3 (ko) |
HK (1) | HK1021535A1 (ko) |
HU (1) | HU221649B1 (ko) |
ID (1) | ID21500A (ko) |
IL (1) | IL127462A (ko) |
IN (1) | IN189278B (ko) |
TW (1) | TW483892B (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103113322B (zh) * | 2013-02-05 | 2014-12-17 | 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 |
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 |
GB2589919A (en) * | 2019-12-13 | 2021-06-16 | Rotam Agrochem Int Co Ltd | Novel crystalline forms of flufenacet, methods for their preparation and use of the same |
GB2592888A (en) * | 2019-12-13 | 2021-09-15 | Rotam Agrochem Int Co Ltd | Novel crystalline forms of Flufenacet, methods for their preparation and use of the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0018497B1 (de) * | 1979-04-06 | 1982-04-28 | Bayer Ag | Azolyloxy-essigsäureamide, Verfahren zu ihrer Herstellung und ihre Verwendung als Herbizide |
DE3218482A1 (de) * | 1982-05-15 | 1983-11-17 | Bayer Ag, 5090 Leverkusen | Substituierte 5-trifluormethyl-1,3,4-thiadiazol-2-yloxyessigsaeureamide, verfahren zu ihrer herstellung und ihre verwendung als herbizide |
DE3422861A1 (de) * | 1984-06-20 | 1986-01-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von heteroaryloxyacetamiden |
DE3821600A1 (de) * | 1988-06-27 | 1989-12-28 | Bayer Ag | Heteroaryloxyessigsaeure-n-isopropylanilide |
-
1997
- 1997-12-12 US US08/989,597 patent/US5895818A/en not_active Expired - Lifetime
-
1998
- 1998-11-27 CA CA002254625A patent/CA2254625A1/en not_active Abandoned
- 1998-12-01 EP EP98122759A patent/EP0927720B1/en not_active Expired - Lifetime
- 1998-12-01 DK DK98122759T patent/DK0927720T3/da active
- 1998-12-01 ES ES98122759T patent/ES2248870T3/es not_active Expired - Lifetime
- 1998-12-01 DE DE69832141T patent/DE69832141T2/de not_active Expired - Lifetime
- 1998-12-02 KR KR1019980052633A patent/KR100577631B1/ko not_active IP Right Cessation
- 1998-12-09 JP JP34994198A patent/JP4511648B2/ja not_active Expired - Lifetime
- 1998-12-09 IN IN3708DE1998 patent/IN189278B/en unknown
- 1998-12-09 ID IDP981602A patent/ID21500A/id unknown
- 1998-12-09 IL IL12746298A patent/IL127462A/en not_active IP Right Cessation
- 1998-12-10 HU HU9802881A patent/HU221649B1/hu not_active IP Right Cessation
- 1998-12-11 CN CNB981253067A patent/CN1134424C/zh not_active Expired - Lifetime
- 1998-12-11 TW TW087120575A patent/TW483892B/zh not_active IP Right Cessation
- 1998-12-11 BR BR9805388-4A patent/BR9805388A/pt not_active Application Discontinuation
-
2000
- 2000-01-26 HK HK00100497A patent/HK1021535A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ID21500A (id) | 1999-06-17 |
IL127462A0 (en) | 1998-12-09 |
EP0927720B1 (en) | 2005-11-02 |
CN1224008A (zh) | 1999-07-28 |
HUP9802881A2 (hu) | 1999-09-28 |
IL127462A (en) | 2001-10-31 |
HUP9802881A3 (en) | 2000-06-28 |
DK0927720T3 (da) | 2006-03-20 |
US5895818A (en) | 1999-04-20 |
CA2254625A1 (en) | 1999-06-12 |
BR9805388A (pt) | 2000-02-01 |
HU221649B1 (hu) | 2002-12-28 |
IN189278B (ko) | 2003-01-25 |
TW483892B (en) | 2002-04-21 |
EP0927720A1 (en) | 1999-07-07 |
DE69832141D1 (de) | 2005-12-08 |
KR19990062739A (ko) | 1999-07-26 |
HU9802881D0 (en) | 1999-02-01 |
JP4511648B2 (ja) | 2010-07-28 |
DE69832141T2 (de) | 2006-08-03 |
ES2248870T3 (es) | 2006-03-16 |
JPH11240875A (ja) | 1999-09-07 |
HK1021535A1 (en) | 2000-06-16 |
CN1134424C (zh) | 2004-01-14 |
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