KR930008232B1 - 플루오로메틸-치환 피리딘 카보디티오에이트의 제조방법 - Google Patents
플루오로메틸-치환 피리딘 카보디티오에이트의 제조방법 Download PDFInfo
- Publication number
- KR930008232B1 KR930008232B1 KR1019910004255A KR910004255A KR930008232B1 KR 930008232 B1 KR930008232 B1 KR 930008232B1 KR 1019910004255 A KR1019910004255 A KR 1019910004255A KR 910004255 A KR910004255 A KR 910004255A KR 930008232 B1 KR930008232 B1 KR 930008232B1
- Authority
- KR
- South Korea
- Prior art keywords
- dabco
- reaction
- mole
- dihydropyridine
- trifluoromethyl
- 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 - Fee Related
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/83—Thioacids; Thioesters; Thioamides; Thioimides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pyrane Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
Description
Claims (22)
- 3-, 4-, 5- 및 6-위치에 치환체를 갖고, 2-위치에 트리플루오로메틸 치환체를 갖는 디하이드로피리딘 출발물을 1,4-디아지비시클로-[2.2.2]-옥탄(DABCO) 0.5몰이나 또는 촉매량의 1,4-디아자비시클로-[2.2.2]-옥탄(DABCO)과 접촉 반응시키고 탈불화수소반응(dehydrofluorination)이 완전히 진행되도록 충분한 양의 부가적인 염기를 넣어 4-(저급알킬)-2-디플루오로메틸-6-트리플루오로메틸-3,5-피리딘 디카보티오산 저급알킬 에스테르를 제조하는 방법.
- 3-, 4-, 5- 및 6-위치에 치환체를 갖고 2-위치에 트리플루오로메틸 치환체를 갖는 디하이드로피리딘 출발물을 촉매량의 1,4-디아자비시클로-[2.2.2]-옥탄(DABCO)과 접촉 반응시키고 탈불화수소반응이 완전히 진행되도록 충분한 양의 부가적인 염기를 첨가하여 4-(저급알킬)-2-디플루오로메틸-6-트리플루오로메틸-3,5-피리딘디카보티오산 저급알킬 에스테르를 제조하는 방법.
- 제 2 항에 있어서, DABCO의 촉매량은 출발물인 디하이드로피리딘의 몰에 대하여 0.01-0.50임을 특징으로 하는 방법.
- 제 2 항에 있어서, DABCO의 촉매량은 출발물인 디하이드로피리딘의 몰에 대하여 0.05-0.20임을 특징으로 하는 방법.
- 제 4 항에 있어서, 반응은 불활성의 비양자성 용매중(inert aprotic solvent)에서 일어남을 특징으로 하는 방법.
- 제 5 항에 있어서, 비양자성 용매는 벤젠, 톨루엔, 크실렌, 시클로헥산, 모노클로로벤젠 및 부티로니트릴에서 선택됨을 특징으로 하는 방법.
- 제 4 항에 있어서, 부가적인 염기는 K2CO3, Na2CO3, 트리에틸아민 및 트리부틸아민에서 선택됨을 특징으로 하는 방법.
- 제 7 항에 있어서, 부가적인 염기는 K2CO3임을 특징으로 하는 방법.
- 제 4 항에 있어서, 반응은 산소분자 부재하에서 일어남을 특징으로 하는 방법.
- 제 2 항 내지 제 9 항 중의 어느항에 있어서, 피리딘 디카보티오산 에스테르는 2-디플루오로메틸-6-트리플루오로메틸-4-(2-메틸프로필)-3,5-피리딘디카보티오산, S,S-디메틸에스테르임을 특징으로 하는 방법.
- 3-, 4-, 5위치 및 6-위치에 치환체를 갖고 2-위치에 트리플루오로메틸 치환체를 갖는 디하이드로피리딘 출발물을 1,4-디아자비시클로-[2.2.2]-옥탄(DABCO) 0.5몰과 접촉반응시켜 4-(저급알킬)-2-디플루오로메틸-6-트리플루오로메틸-3,5-피리딘 디카보티오산 저급알킬 에스테르를 제조하는 방법.
- 제 11 항에 있어서, DABCO양은 출발물인 디하이드로 피리딘의 몰에 대하여 1.0배로 사용됨을 특징으로 하는 방법.
- 제 12 항에 있어서, DABCO는 수용액 형태로 사용됨을 특징으로 하는 방법.
- 제 11 항에 있어서, DABCO는 수용액 형태로 사용됨을 특징으로 하는 방법.
- 제 14 항에 있어서, 비양자성 용매는 벤젠, 톨루엔, 크실렌, 시클로헥산, 모노클로로벤젠 및 부티로니트릴에서 선택됨을 특징으로 하는 방법.
- 제 11 항에 있어서, 반응은 산소분자의 부재하에서 진행됨을 특징으로 하는 방법.
- 3-, 4-, 5-위치 및 6-위치에 치환체를 갖고 2-위치에 트리플루오로메틸 치환체를 갖는 디하이드로 피리딘 출발물을 1,4-디아자비시클로-[2.2.2]-옥탄(DABCO) 0.5몰과 접촉반응시켜 2-디플루오로메틸-6-트리플루오로메틸-4-(2-메틸프로필)-3,5-피리딘디카보티오산, S,S-디메틸에스테르를 제조하는 방법.
- 제 17 항에 있어서, DABCO양은 출발물인 디하이드로피리딘의 몰에 대하여 1.0배로 사용됨을 특징으로 하는 방법.
- 제 18 항에 있어서, DABCO는 수용액 형태로 사용됨을 특징으로 하는 방법.
- 제 17 항에 있어서, 반응은 불활성의 비양자성 용매중에서 진행됨을 특징으로 하는 방법.
- 제 20 항에 있어서, 비양자성 용매는 벤젠, 톨루엔, 크실렌, 시클로헥산, 모노클로로벤젠 및 부티로니트릴에서 선택됨을 특징으로 하는 방법.
- 제 17 항에 있어서, 반응은 산소분자의 부재하에서 진행됨을 특징으로 하는 방법.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US495184 | 1990-03-19 | ||
| US07/495,183 US5099023A (en) | 1990-03-19 | 1990-03-19 | Process for preparation of fluoromethyl-substituted pyridine carbodithioates |
| US495183 | 1990-03-19 | ||
| US07/495,184 US5099024A (en) | 1990-03-19 | 1990-03-19 | Process for preparation of fluoromethyl-substituted pyridine carbodithioates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920005715A KR920005715A (ko) | 1992-04-03 |
| KR930008232B1 true KR930008232B1 (ko) | 1993-08-27 |
Family
ID=27051674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910004255A Expired - Fee Related KR930008232B1 (ko) | 1990-03-19 | 1991-03-18 | 플루오로메틸-치환 피리딘 카보디티오에이트의 제조방법 |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0448541B1 (ko) |
| JP (1) | JP2514283B2 (ko) |
| KR (1) | KR930008232B1 (ko) |
| AT (1) | ATE130608T1 (ko) |
| AU (1) | AU630545B2 (ko) |
| CA (1) | CA2038445C (ko) |
| DE (1) | DE69114742D1 (ko) |
| HU (1) | HU210336B (ko) |
| IL (1) | IL97582A (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055583A (en) * | 1990-03-19 | 1991-10-08 | Monsanto Company | Process for preparation of fluoromethyl-substituted piperidine carbodithioates |
| US5051512A (en) * | 1990-03-19 | 1991-09-24 | Monsanto Company | Process for preparation of fluoromethyl-substituted piperidine carbodithioates |
| HU209737B (en) * | 1990-03-19 | 1994-10-28 | Monsanto Co | Process for preparation of 4-alkyl-2,6 bis (fluoromethyl)-3,4-dihydro-pyridine- dicarboxylic acid-oxyesters and thioesters |
| JP5861763B1 (ja) | 2014-11-12 | 2016-02-16 | 第一精工株式会社 | 電気コネクタおよびその製造方法 |
| JP6239493B2 (ja) | 2014-12-12 | 2017-11-29 | 第一精工株式会社 | 電気コネクタ |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692184A (en) | 1984-04-24 | 1987-09-08 | Monsanto Company | 2,6-substituted pyridine compounds |
| ES8506627A1 (es) * | 1983-08-11 | 1985-08-01 | Monsanto Co | Un procedimiento para preparar derivados de piridina sustituidos en las posiciones 2 y 6 |
| US4785129A (en) * | 1988-02-16 | 1988-11-15 | Monsanto Company | Methyl 4,4,4-trifluoro-3-oxo-butanethioate |
| US5055583A (en) * | 1990-03-19 | 1991-10-08 | Monsanto Company | Process for preparation of fluoromethyl-substituted piperidine carbodithioates |
| US5051512A (en) * | 1990-03-19 | 1991-09-24 | Monsanto Company | Process for preparation of fluoromethyl-substituted piperidine carbodithioates |
| HU209737B (en) * | 1990-03-19 | 1994-10-28 | Monsanto Co | Process for preparation of 4-alkyl-2,6 bis (fluoromethyl)-3,4-dihydro-pyridine- dicarboxylic acid-oxyesters and thioesters |
-
1991
- 1991-03-18 AU AU73504/91A patent/AU630545B2/en not_active Ceased
- 1991-03-18 EP EP91870044A patent/EP0448541B1/en not_active Expired - Lifetime
- 1991-03-18 KR KR1019910004255A patent/KR930008232B1/ko not_active Expired - Fee Related
- 1991-03-18 CA CA002038445A patent/CA2038445C/en not_active Expired - Fee Related
- 1991-03-18 JP JP3216723A patent/JP2514283B2/ja not_active Expired - Lifetime
- 1991-03-18 AT AT91870044T patent/ATE130608T1/de not_active IP Right Cessation
- 1991-03-18 DE DE69114742T patent/DE69114742D1/de not_active Expired - Lifetime
- 1991-03-18 IL IL9758291A patent/IL97582A/en not_active IP Right Cessation
- 1991-03-18 HU HU91876A patent/HU210336B/hu not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HU910876D0 (en) | 1991-09-30 |
| EP0448541B1 (en) | 1995-11-22 |
| DE69114742D1 (de) | 1996-01-04 |
| JPH0641082A (ja) | 1994-02-15 |
| CA2038445C (en) | 1997-09-30 |
| AU7350491A (en) | 1991-09-19 |
| HU210336B (en) | 1995-03-28 |
| ATE130608T1 (de) | 1995-12-15 |
| AU630545B2 (en) | 1992-10-29 |
| KR920005715A (ko) | 1992-04-03 |
| CA2038445A1 (en) | 1991-09-20 |
| EP0448541A2 (en) | 1991-09-25 |
| HUT56822A (en) | 1991-10-28 |
| JP2514283B2 (ja) | 1996-07-10 |
| IL97582A (en) | 1994-12-29 |
| EP0448541A3 (en) | 1992-03-11 |
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| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |