IT1129728B - Procedimento per la produzione di derivati della piridina aventi nella loro posizione beta un gruppo trifluorometilico - Google Patents
Procedimento per la produzione di derivati della piridina aventi nella loro posizione beta un gruppo trifluorometilicoInfo
- Publication number
- IT1129728B IT1129728B IT20423/80A IT2042380A IT1129728B IT 1129728 B IT1129728 B IT 1129728B IT 20423/80 A IT20423/80 A IT 20423/80A IT 2042380 A IT2042380 A IT 2042380A IT 1129728 B IT1129728 B IT 1129728B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- trifluoromethyl group
- pyridine derivatives
- beta position
- Prior art date
Links
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical class C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 title 1
- -1 TRIFLUOROMETHYL GROUP Chemical group 0.000 title 1
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2736979A JPS55120564A (en) | 1979-03-09 | 1979-03-09 | Production of chloro-beta-trifluoromethylpyridines |
| JP4473379A JPS55147261A (en) | 1979-04-12 | 1979-04-12 | Preparation of chloro-beta-trifluoromethylpyridines |
| JP13605779A JPS5659757A (en) | 1979-10-22 | 1979-10-22 | Preparation of 2-chloro-5-trifluoromethylpyridine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8020423A0 IT8020423A0 (it) | 1980-03-07 |
| IT1129728B true IT1129728B (it) | 1986-06-11 |
Family
ID=27285760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20423/80A IT1129728B (it) | 1979-03-09 | 1980-03-07 | Procedimento per la produzione di derivati della piridina aventi nella loro posizione beta un gruppo trifluorometilico |
Country Status (15)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2862491D1 (en) * | 1977-08-12 | 1988-05-05 | Ici Plc | Trihalomethylpyridine compounds |
| JPS579762A (en) * | 1980-06-19 | 1982-01-19 | Ishihara Sangyo Kaisha Ltd | Production of trifluoromethylpyridine |
| JPS57159768A (en) * | 1981-03-27 | 1982-10-01 | Ishihara Sangyo Kaisha Ltd | Preparation of beta-trifluoromethylpyridine compound |
| AU548249B2 (en) | 1981-05-13 | 1985-12-05 | Imperial Chemical Industries Plc | Production of 3-trichloromethyl and 3-trifluoro methyl- pyridines |
| EP0078234B1 (de) * | 1981-10-20 | 1990-07-04 | Ciba-Geigy Ag | 5-Halogenalkyl-pyridine |
| JPS5877863A (ja) * | 1981-11-04 | 1983-05-11 | Ishihara Sangyo Kaisha Ltd | ３―クロロ―５―トリフルオロメチルピリジン系化合物の製造方法 |
| US4590279A (en) * | 1982-11-26 | 1986-05-20 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines under liquid phase conditions |
| US4650875A (en) * | 1983-05-09 | 1987-03-17 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines |
| FR2569191B1 (fr) * | 1984-08-20 | 1987-07-10 | Solvay | Procede pour la preparation de derives chlores de composes pyridiniques et initiateurs radicalaires utilises dans ce procede |
| DE3934957A1 (de) * | 1989-10-20 | 1991-04-25 | Bayer Ag | Verfahren zur herstellung von 3-trichlormethyl-pyridin |
| SE0200979D0 (sv) * | 2002-03-28 | 2002-03-28 | Astrazeneca Ab | New compounds |
| CA2557877C (en) * | 2004-04-26 | 2011-11-01 | Dow Agrosciences Llc | Vapor phase catalytic chlorination of .beta.-picoline |
| CA2839627C (en) * | 2011-06-30 | 2021-01-19 | Dow Agrosciences Llc | 3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinates and their use as herbicides |
| CN102875454B (zh) * | 2012-10-17 | 2014-10-22 | 山东绿霸化工股份有限公司 | 2-氯-5-三氟甲基吡啶和2-氯-3-三氟甲基吡啶的合成方法 |
| US10882824B2 (en) * | 2017-04-04 | 2021-01-05 | Ishihara Sangyo Kaisha, Ltd. | Method for purifying trifluoromethylpyridines |
| CN109456257B (zh) * | 2017-09-06 | 2020-04-28 | 新发药业有限公司 | 一种高收率2-氯-5-硝基吡啶的制备方法 |
| CN110003096B (zh) * | 2018-01-05 | 2020-11-17 | 浙江省化工研究院有限公司 | 一种制备2-氯-5-三氟甲基吡啶的方法 |
| CN110003097B (zh) * | 2018-01-05 | 2020-11-17 | 浙江省化工研究院有限公司 | 一种两段法制备2-氯-5-三氟甲基吡啶的方法 |
| CN110003098B (zh) * | 2018-01-05 | 2020-11-17 | 浙江省化工研究院有限公司 | 一种3-三氟甲基吡啶气相催化氯化制备2-氯-5-三氟甲基吡啶的方法 |
| EP3620451B1 (en) * | 2017-12-06 | 2022-09-21 | Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd. | Method for preparing 2,3-dichloro-5-trifluoromethylpyridine with high selectivity |
| US11254642B2 (en) * | 2018-01-05 | 2022-02-22 | Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd. | Method for preparing 2-chloro-5-trifluoromethylpyridine |
| CN108997203B (zh) * | 2018-06-26 | 2020-08-14 | 江苏扬农化工集团有限公司 | 一种2,3-二氯-5-三氟甲基吡啶的高效提纯方法 |
| US10815198B2 (en) | 2018-08-07 | 2020-10-27 | Ishihara Sangyo Kaisha, Ltd. | Method for separating and purifying 2-chloro-3-trifluoromethylpyridine |
| CN111170933B (zh) * | 2018-11-12 | 2021-07-20 | 新发药业有限公司 | 一种2-氯-5-硝基吡啶的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2516402A (en) * | 1945-09-04 | 1950-07-25 | Purdue Research Foundation | Fluoromethylpyridines |
| NL132136C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-08-05 | |||
| JPS6039048B2 (ja) * | 1976-12-27 | 1985-09-04 | ダイキン工業株式会社 | ベンゾトリフルオライドまたはその誘導体の製法 |
| CA1247625A (en) * | 1977-07-22 | 1988-12-28 | Howard Johnston | Trifluoromethyl pyridinyloxyphenoxy propanoic acids and propanols and derivatives thereof and methods of herbicidal use |
| DE2862491D1 (en) * | 1977-08-12 | 1988-05-05 | Ici Plc | Trihalomethylpyridine compounds |
-
1980
- 1980-02-22 NZ NZ192948A patent/NZ192948A/xx unknown
- 1980-02-26 US US06/124,757 patent/US4288599A/en not_active Expired - Lifetime
- 1980-03-03 DE DE19803008081 patent/DE3008081A1/de active Granted
- 1980-03-05 FR FR8004969A patent/FR2450818A1/fr active Granted
- 1980-03-05 NL NL8001312A patent/NL191149C/xx not_active IP Right Cessation
- 1980-03-06 GB GB8007700A patent/GB2045245B/en not_active Expired
- 1980-03-06 AU AU56191/80A patent/AU532020B2/en not_active Expired
- 1980-03-07 BE BE0/199706A patent/BE882121A/fr not_active IP Right Cessation
- 1980-03-07 CA CA347,229A patent/CA1125290A/en not_active Expired
- 1980-03-07 IE IE475/80A patent/IE49188B1/en not_active IP Right Cessation
- 1980-03-07 PL PL1980222533A patent/PL123917B1/pl unknown
- 1980-03-07 CH CH184380A patent/CH643543A5/de not_active IP Right Cessation
- 1980-03-07 IT IT20423/80A patent/IT1129728B/it active
- 1980-03-10 BR BR8001398A patent/BR8001398A/pt not_active IP Right Cessation
-
1984
- 1984-11-23 SG SG834/84A patent/SG83484G/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL191149C (nl) | 1995-02-16 |
| NZ192948A (en) | 1982-02-23 |
| FR2450818B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-03-02 |
| NL191149B (nl) | 1994-09-16 |
| IT8020423A0 (it) | 1980-03-07 |
| IE800475L (en) | 1981-09-09 |
| BE882121A (fr) | 1980-09-08 |
| CA1125290A (en) | 1982-06-08 |
| SG83484G (en) | 1985-09-13 |
| CH643543A5 (de) | 1984-06-15 |
| GB2045245B (en) | 1983-03-30 |
| IE49188B1 (en) | 1985-08-21 |
| PL123917B1 (en) | 1982-12-31 |
| AU5619180A (en) | 1980-09-11 |
| BR8001398A (pt) | 1980-11-11 |
| DE3008081A1 (de) | 1980-09-11 |
| PL222533A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-02 |
| US4288599A (en) | 1981-09-08 |
| FR2450818A1 (fr) | 1980-10-03 |
| NL8001312A (nl) | 1980-09-11 |
| AU532020B2 (en) | 1983-09-15 |
| GB2045245A (en) | 1980-10-29 |
| DE3008081C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970225 |