KR900004039B1 - 디플루오로피리딘 화합물의 제조방법 - Google Patents
디플루오로피리딘 화합물의 제조방법 Download PDFInfo
- Publication number
- KR900004039B1 KR900004039B1 KR1019840008270A KR840008270A KR900004039B1 KR 900004039 B1 KR900004039 B1 KR 900004039B1 KR 1019840008270 A KR1019840008270 A KR 1019840008270A KR 840008270 A KR840008270 A KR 840008270A KR 900004039 B1 KR900004039 B1 KR 900004039B1
- Authority
- KR
- South Korea
- Prior art keywords
- beta
- compound
- product
- reaction
- pyridine
- 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
Links
- 0 FC(*CC(C1)C(F)(F)F)C1Cl Chemical compound FC(*CC(C1)C(F)(F)F)C1Cl 0.000 description 4
Classifications
-
- 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
- C07D213/61—Halogen atoms or nitro radicals
-
- 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
- C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/26—Radicals substituted by halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Abstract
Description
Claims (23)
- 알파-또는 감마-할로-치환된 베타-할로피리딘을 유효량의 KF 또는 CsF와 액체매질중의 반응조건하에 접촉반응시키는 한편, 베타-플루오로피리딘 생성물을 주로 형성된 그대로 분리시키고, 임의로, 생성물인 베타-플루오로피리딘의 분리속도에 따라 알파-또는 감마-할로-치환된 베타-할로피리딘을 가하여, 베타-할로피리딘 화합물로부터 베타-플루오로피리딘 화합물을 제조하는 방법.
- 제 1 항에 있어서, 알파-또는 감마-할로-치환체가 불소인 방법.
- 제 1 항에 있어서, 알파-또는 감마-할로-치환체가 염소이고, 생성물이 알파, 베타-또는 베타, 감마-디플루오로피리딘 화합물인 방법.
- 제 2 항에 있어서, 베타-치환체가 염소인 방법.
- 제 3 항에 있어서, 베타-치환체가 염소이고 생성물이 알파, 베타-또는 베타 감마-디플루오로피리딘 화합물인 방법.
- 제 1 항에 있어서, 알파-할로-치환된 베타-할로피리딘 화합물이 일반식(V)의 화합물이고 베타-플루오로피리딘 생성물이 일반식(VI)의 화합물이거나, 감마-할로-치환된 베타-할로피리딘 화합물이 일반식(VII)의 화합물이고 베타-플루오로피리딘 생성물이 일반식(VIII)의 화합물인 방법.상기식에서, Hal은 C1,Br 또는 I이고, X는 F 또는 Ha1이고, A및 B는 각기 H, CH3,CF3,F 또는 Hal이고, R은 H, CF3, CH3, F, Hal 또는 CN이고, Y는 A 또는 F이며, 단 A가 Hal 경우 Y는 F이고, Z는 B 또는F이며, 단 B가 Hal인 경우 Z는 F이고, S는 R 또는 F이며, 단 R이 Ha1이고 A 또는 B가 F 또는 Ha1 인 경우 S는 F이다.
- 제 6 항에 있어서, Ha1이 Cl인 방법.
- 제 6 항에 있어서, Hal이 Br인 방법.
- 제 6 항에 있어서, R이 CF3인 방법.
- 제 6 항에 있어서, R이 Br인 방법.
- 제 6 항에 있어서, R이 C1인 방법.
- 제 6 항에 있어서, 일반식(V)의 화합물이 3-클로로-2-플루오로-5-(트리플루오로메틸)피리딘이고 생성물(VI)이 2,3-디플루오로-5-(트리플루오로메틸)피리딘인 방법.
- 제 6 항에 있어서, 일반식(V)의 화합물이 2,3-디클로로-5-(트리플루오로메틸)피리딘인 방법.
- 제 6 항에 있어서, 일반식(V)의 화합물이 2,3,5-트리클로로피리딘이고 생성물(VI)가 2,3-디플루오로-5-클로로피리딘인 방법.
- 제 6 항에 있어서, 일반식(V)의 화합물이 2,3,5-트리브로모피리딘이고 생성물(VI)가 2,3-디플루오로-5-브로모피리딘인 방법.
- 제 6 항에 있어서, 플루오라이드염이 KF이고, 반응이 (a)상-전이촉매 및 임의로 (b)산소캐빈저 존재하에 수행되는 방법.
- 제 6 항에 있어서, 액체 반응매질이 극성 비양자성 희석제인 방법.
- 제 17 항에 있어서, 희석제가 디메틸설폭사이드, 설폴란 또는 N-메틸피롤리디논인 방법.
- 제 18 항에 있어서, 플루오라이드염이 CsF이고 반응온도가 70 내지 150℃인 방법.
- 제 6 항에 있어서, 염이 KF이고 반응온도가 175℃ 내지 희석제의 비점인 방법.
- 제 19 항에 있어서, 반응이 50 내지 300mmHg의 압력하에 수행되는 방법.
- 제 19 항에 있어서, 반응이 (a) 상-전이 촉매 존재하 및, 임의로 (b) 산 스캐빈저 존재하에 수행되는 방법.
- 제 22 항에 있어서, 상-전이 촉매가 4급 암모늄 할라이드, 크라운 에테르 또는 트리스(3,6-디옥사헵틸)아민인 방법.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56480083A | 1983-12-23 | 1983-12-23 | |
US564800 | 1983-12-23 | ||
US564,800 | 1983-12-23 | ||
US66558884A | 1984-10-29 | 1984-10-29 | |
US665,588 | 1984-10-29 | ||
US665588 | 1984-10-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850004464A KR850004464A (ko) | 1985-07-15 |
KR900004039B1 true KR900004039B1 (ko) | 1990-06-09 |
Family
ID=27073665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840008270A Expired KR900004039B1 (ko) | 1983-12-23 | 1984-12-22 | 디플루오로피리딘 화합물의 제조방법 |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0146924B1 (ko) |
JP (1) | JPS60156672A (ko) |
KR (1) | KR900004039B1 (ko) |
AU (1) | AU566757B2 (ko) |
CA (1) | CA1292746C (ko) |
DE (1) | DE3478598D1 (ko) |
DK (1) | DK160489C (ko) |
ES (1) | ES8607937A1 (ko) |
HU (1) | HU199121B (ko) |
IL (1) | IL73807A (ko) |
PL (1) | PL251146A1 (ko) |
RO (1) | RO90047A (ko) |
SU (1) | SU1376942A3 (ko) |
TR (1) | TR22146A (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4746744A (en) * | 1986-10-22 | 1988-05-24 | The Dow Chemical Company | Method of preparation of 3,5-dichloro-2,4,6-trifluoropyridine |
EP0556737B1 (de) * | 1992-02-20 | 2000-01-12 | Clariant GmbH | Verfahren zur Herstellung von substituierten 2,3-Difluorpyridinen |
US5650517A (en) * | 1994-11-01 | 1997-07-22 | Ciba-Geigy Corporation | Process for the preparation of 2,3-difluoro-5-halopyridines |
GB9425796D0 (en) * | 1994-12-21 | 1995-02-22 | Bnfl Fluorchem Ltd | The preparation of halogenated compounds |
DE19745212A1 (de) * | 1997-10-13 | 1999-04-15 | Clariant Gmbh | Verfahren zur Herstellung von fluorierten aromatischen Verbindungen |
JP5589778B2 (ja) | 2010-11-05 | 2014-09-17 | 日立金属株式会社 | 差動信号伝送用ケーブルと回路基板の接続構造及び接続方法 |
BR102014028164A2 (pt) | 2013-11-12 | 2015-09-08 | Dow Agrosciences Llc | processo para fluoração de compostos |
TW201609652A (zh) | 2013-11-12 | 2016-03-16 | 陶氏農業科學公司 | 用於氟化化合物之過程(三) |
TW201609651A (zh) | 2013-11-12 | 2016-03-16 | 陶氏農業科學公司 | 用於氟化化合物之過程(一) |
TWI726900B (zh) | 2015-08-04 | 2021-05-11 | 美商陶氏農業科學公司 | 用於氟化化合物之過程 |
WO2023241960A1 (en) * | 2022-06-15 | 2023-12-21 | Basf Se | A process for the photolytic chlorination of 3-halopyridine with molecular chlorine |
EP4311828A1 (en) * | 2022-07-26 | 2024-01-31 | Basf Se | A process for the photolytic chlorination of 3-halopyridine with molecular chlorine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1039987A (en) * | 1964-03-17 | 1966-08-24 | Pennwalt Corp | Fluoropyridines |
US4031100A (en) * | 1976-08-23 | 1977-06-21 | The Dow Chemical Company | Process for making 2,6-difluoropyridine |
EP0063872B1 (en) * | 1981-04-27 | 1985-07-17 | Imperial Chemical Industries Plc | Process for the preparation of fluoromethyl pyridines and certain novel products obtained therefrom |
IL68822A (en) * | 1982-06-18 | 1990-07-12 | Dow Chemical Co | Pyridyl(oxy/thio)phenoxy compounds,herbicidal compositions and methods of using them |
US4480102A (en) * | 1982-07-23 | 1984-10-30 | The Dow Chemical Company | 2,3-Difluoro-5-(trifluoromethyl)pyridine and methods of making and using the same |
DE3478681D1 (en) * | 1983-02-18 | 1989-07-20 | Nippon Catalytic Chem Ind | Organic fluorine compounds |
-
1984
- 1984-12-10 CA CA000469676A patent/CA1292746C/en not_active Expired - Fee Related
- 1984-12-11 AU AU36502/84A patent/AU566757B2/en not_active Ceased
- 1984-12-12 IL IL73807A patent/IL73807A/xx not_active IP Right Cessation
- 1984-12-19 DE DE8484115856T patent/DE3478598D1/de not_active Expired
- 1984-12-19 EP EP84115856A patent/EP0146924B1/en not_active Expired
- 1984-12-20 ES ES538891A patent/ES8607937A1/es not_active Expired
- 1984-12-21 HU HU844791A patent/HU199121B/hu not_active IP Right Cessation
- 1984-12-21 SU SU843834156A patent/SU1376942A3/ru active
- 1984-12-21 TR TR22146A patent/TR22146A/xx unknown
- 1984-12-21 PL PL25114684A patent/PL251146A1/xx unknown
- 1984-12-21 DK DK624184A patent/DK160489C/da not_active IP Right Cessation
- 1984-12-22 KR KR1019840008270A patent/KR900004039B1/ko not_active Expired
- 1984-12-22 RO RO84116822A patent/RO90047A/ro unknown
- 1984-12-24 JP JP59272724A patent/JPS60156672A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
ES538891A0 (es) | 1986-01-01 |
TR22146A (tr) | 1986-08-17 |
PL251146A1 (en) | 1985-10-22 |
EP0146924A3 (en) | 1986-03-12 |
DK624184A (da) | 1985-06-24 |
DK160489B (da) | 1991-03-18 |
HU199121B (en) | 1990-01-29 |
CA1292746C (en) | 1991-12-03 |
DE3478598D1 (en) | 1989-07-13 |
DK160489C (da) | 1991-09-16 |
HUT36459A (en) | 1985-09-30 |
EP0146924A2 (en) | 1985-07-03 |
AU566757B2 (en) | 1987-10-29 |
DK624184D0 (da) | 1984-12-21 |
IL73807A (en) | 1988-05-31 |
SU1376942A3 (ru) | 1988-02-23 |
JPS60156672A (ja) | 1985-08-16 |
RO90047A (ro) | 1986-09-30 |
IL73807A0 (en) | 1985-03-31 |
EP0146924B1 (en) | 1989-06-07 |
KR850004464A (ko) | 1985-07-15 |
JPH0586385B2 (ko) | 1993-12-10 |
AU3650284A (en) | 1985-06-27 |
ES8607937A1 (es) | 1986-01-01 |
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|
R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |