KR970042479A - 공비적 에스테르화에 의한 합성 피레트로이드의 제조방법 - Google Patents
공비적 에스테르화에 의한 합성 피레트로이드의 제조방법 Download PDFInfo
- Publication number
- KR970042479A KR970042479A KR1019960063108A KR19960063108A KR970042479A KR 970042479 A KR970042479 A KR 970042479A KR 1019960063108 A KR1019960063108 A KR 1019960063108A KR 19960063108 A KR19960063108 A KR 19960063108A KR 970042479 A KR970042479 A KR 970042479A
- Authority
- KR
- South Korea
- Prior art keywords
- tetrafluorobenzyl
- trans
- acid
- preparing
- azeotropically
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/62—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/74—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C69/753—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring of polycyclic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
본 발명은 2,3,5,6-테트라플루오로벤질 알콜을 상용하는 카복실산으로 공비적으로(azeotropic) 에스테르화시켜 일반식 (Ⅰ) 합성 피레트로이드를 제조하는 신규한 방법에 관한 것이다.
(Ⅰ)
상기 식에서, R1은 메틸, 디플루오로메틸, 트리플루오로메틸 또는 염소를 나타내며, R2는 메틸, 디플루오로메틸, 트리플루오로메틸 또는 염소를 나타낸다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (8)
- 일반식 (Ⅱ)의 화합물을 2,3,5,6-테트라플루오로벤질 알콜로 공비적으로 에스테르화시킴을 특징으로 하여, 일반식 (Ⅰ) 합성 피레트로이드를 제조하는 방법:(Ⅰ)(Ⅱ)상기 식에서, R1은 메틸, 디플루오로메틸, 트리플루오로메틸 또는 염소를 나타내며, R2는 메틸, 디플루오로메틸, 트리플루오로메틸 또는 염소를 나타낸다.
- (+)-트랜스-퍼메트린산을 2,3,5,6-테트라플루오로벤질 알콜로 공비적으로 에스테르화시켜 2,3,5,6-테트라플루오로벤질-(+)-1R-트랜스-2,2-디메틸-3-(2,2-디클로로비닐)-사이클로프로판-카복실레이트를 제조하는 방법.
- 제 1 항에 있어서, 공비적 에스테르화에 적합한 용매가 사용됨을 특징으로 하는 합성 피레트로이드의 제조방법.
- 제 1 항에 있어서, 사용된 용매가 톨루엔임을 특징으로 하는 합성 피레트로이드의 제조방법.
- 제 1 항에 있어서, 대기압하에서 수행됨을 특징으로 하는 합성 피레트로이드의 제조방법.
- 제 1 항에 있어서, 1 내지 1.5 몰의 카복실산을 1 몰의 2,3,5,6-테트라플루오로벤질 알콜로 공비적으로 에스테르화시킴을 특징으로 하는 합성 피레트로이드의 제조방법.
- 제 1 항 내지 제 6 항중의 어느 하나에 있어서, 반응 생성물이 사용된 각각의 카복신산의 무수물을 함유하지 않음을 특징으로 하는 합성 피레트로이드의 제조방법.
- (+)-트랜스-퍼메트린산, 톨루엔 및 황산의 혼합물을 가열.환류시키고, 톨루엔중의 2,3,5,6-테트라플루오로벤질 알콜의 혼합물을 가한 후, 전체 배치를 공비적으로 에스테르화시키고, 마지막으로 반응 혼합물을 실온으로 냉각시키고, 과량의 산 및 용매를 제거함을 특징으로하여 2,3,5,6-테트라플루오로벤질-(+)-1R-트랜스-2,2-디메틸-3-(2,2-디클로로비닐)-사이클로프로판-카복실레이트를 제조하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19546920A DE19546920A1 (de) | 1995-12-15 | 1995-12-15 | Verfahren zur Herstellung synthetischer Pyrethroide durch azeotrope Veresterung |
DE19546920.8 | 1995-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970042479A true KR970042479A (ko) | 1997-12-24 |
Family
ID=7780259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960063108A KR970042479A (ko) | 1995-12-15 | 1996-12-09 | 공비적 에스테르화에 의한 합성 피레트로이드의 제조방법 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0779269A1 (ko) |
JP (1) | JPH09188649A (ko) |
KR (1) | KR970042479A (ko) |
DE (1) | DE19546920A1 (ko) |
IL (1) | IL119815A0 (ko) |
ZA (1) | ZA9610519B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4135215B2 (ja) * | 1997-12-03 | 2008-08-20 | 住友化学株式会社 | ピレスロイド化合物及びそれを有効成分とする害虫防除剤 |
FR2772759B1 (fr) * | 1997-12-22 | 2001-03-09 | Hoechst Schering Agrevo Sa | Nouveaux derives de l'acide 2,2-dimethyl 3-(2-fluorovinyl) cyclopropane carboxylique, leur procede de preparation et leur application comme pesticides |
HUP0200237A3 (en) * | 2001-01-24 | 2004-01-28 | Sumitomo Chemical Co | Process for producing cyclopropanecarboxylates |
ZA200409433B (en) | 2003-11-26 | 2005-07-14 | Sumitomo Chemical Co | Process for the preparation of carboxylic acid esters. |
CN102134194B (zh) * | 2010-01-21 | 2015-04-08 | 江苏扬农化工股份有限公司 | 具有杀虫活性的酯化合物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU322986A1 (ru) * | 1970-09-28 | 1976-01-15 | Институт органической химии Украинской ССР | Способ получени сложных эфиров циклопропанкарбоновой кислоты |
DE3705224A1 (de) | 1987-02-19 | 1988-09-01 | Bayer Ag | (+)1r-trans-2,2-dimethyl-3-(2,2-dichlorvinyl) -cyclopropancarbonsaeure-2,3,5,6- tetrafluorbenzylester |
FR2641275B1 (fr) * | 1988-12-29 | 1991-10-11 | Roussel Uclaf | Nouveaux derives fluores de l'acide 3-ethenyl 2,2-dimethyl cyclopropane carboxylique, leur procede de preparation et leur application comme pesticides |
-
1995
- 1995-12-15 DE DE19546920A patent/DE19546920A1/de not_active Withdrawn
-
1996
- 1996-12-03 EP EP96119322A patent/EP0779269A1/de not_active Withdrawn
- 1996-12-09 KR KR1019960063108A patent/KR970042479A/ko not_active Application Discontinuation
- 1996-12-11 JP JP8346483A patent/JPH09188649A/ja active Pending
- 1996-12-12 IL IL11981596A patent/IL119815A0/xx unknown
- 1996-12-13 ZA ZA9610519A patent/ZA9610519B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPH09188649A (ja) | 1997-07-22 |
ZA9610519B (en) | 1997-06-24 |
EP0779269A1 (de) | 1997-06-18 |
IL119815A0 (en) | 1997-03-18 |
DE19546920A1 (de) | 1997-06-19 |
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