ES486652A1 - Procedimiento de obtencion de 2-cloro-5-trifluormetilpiridi-na y 2-cloro-5-perclorofluormetilpiridinas - Google Patents
Procedimiento de obtencion de 2-cloro-5-trifluormetilpiridi-na y 2-cloro-5-perclorofluormetilpiridinasInfo
- Publication number
- ES486652A1 ES486652A1 ES486652A ES486652A ES486652A1 ES 486652 A1 ES486652 A1 ES 486652A1 ES 486652 A ES486652 A ES 486652A ES 486652 A ES486652 A ES 486652A ES 486652 A1 ES486652 A1 ES 486652A1
- Authority
- ES
- Spain
- Prior art keywords
- trifluoromethylpyridine
- chloro
- preparation
- perchlorofluoromethylpyridine
- chlorination
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Abstract
Procedimiento de obtención de 2-cloro-5trifluormetilpiridina y 2-cloro- perclorofluormetilpididinas, caracterizado porque comprende clorar, respectivamente, 3- trifluormetilpiridina o una 3-perclorofluormetilpiridina, bajo las siguientes condiciones: (i) en fase vapor a una temperatura de 100 a 500ºC, a condición de que cuando la temperatura sea inferior a 250ºC, la cloración se efectúa en presencia de radiación ultravioleta, o (ii) en fase líquida en presencia de radiación ultravioleta y/o en presencia de un iniciador de radicales libres.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7847583 | 1978-12-07 | ||
| GB7902196 | 1979-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES486652A1 true ES486652A1 (es) | 1980-10-01 |
Family
ID=26269878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES486652A Expired ES486652A1 (es) | 1978-12-07 | 1979-12-06 | Procedimiento de obtencion de 2-cloro-5-trifluormetilpiridi-na y 2-cloro-5-perclorofluormetilpiridinas |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0013474B1 (es) |
| AU (1) | AU527692B2 (es) |
| CA (1) | CA1122987A (es) |
| DE (1) | DE2965804D1 (es) |
| DK (1) | DK150479C (es) |
| ES (1) | ES486652A1 (es) |
| IE (1) | IE49115B1 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579762A (en) * | 1980-06-19 | 1982-01-19 | Ishihara Sangyo Kaisha Ltd | Production of trifluoromethylpyridine |
| EP0074192B1 (en) * | 1981-09-03 | 1986-12-30 | Imperial Chemical Industries Plc | Chloro-trifluoromethyl pyridines |
| 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 |
| FR2553768B1 (fr) * | 1983-10-24 | 1986-02-07 | Solvay | Procede pour la preparation de la 2-chloropyridine |
| 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 |
| JP5702595B2 (ja) | 2009-12-25 | 2015-04-15 | 石原産業株式会社 | ２−クロロ−３−トリフルオロメチルピリジンの製造方法 |
| 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 |
| 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 |
| 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 |
| JP6977174B2 (ja) | 2018-01-05 | 2021-12-08 | 浙江▲藍▼天▲環▼保高科技股▲ふん▼有限公司 | ２−クロロ−５−トリフルオロメチルピリジンの作製方法 |
| US10815198B2 (en) | 2018-08-07 | 2020-10-27 | Ishihara Sangyo Kaisha, Ltd. | Method for separating and purifying 2-chloro-3-trifluoromethylpyridine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054499A (en) * | 1973-12-08 | 1977-10-18 | Seitetsu Kagaku Co., Ltd. | Process for producing 2-chloropyridine |
| DE2862492D1 (en) * | 1977-08-12 | 1988-09-01 | Ici Plc | Herbicidal halogenomethyl--pyridyloxy-phenoxy-alkanecarboxylic acids and derivatives, and processes of controlling unwanted plants therewith |
-
1979
- 1979-11-07 EP EP19790302493 patent/EP0013474B1/en not_active Expired
- 1979-11-07 DE DE7979302493T patent/DE2965804D1/de not_active Expired
- 1979-11-14 IE IE217979A patent/IE49115B1/en not_active IP Right Cessation
- 1979-11-21 AU AU53076/79A patent/AU527692B2/en not_active Expired
- 1979-11-29 CA CA340,921A patent/CA1122987A/en not_active Expired
- 1979-12-03 DK DK512379A patent/DK150479C/da active
- 1979-12-06 ES ES486652A patent/ES486652A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU5307679A (en) | 1980-06-12 |
| DK512379A (da) | 1980-06-08 |
| EP0013474A3 (en) | 1980-12-10 |
| IE792179L (en) | 1980-06-07 |
| EP0013474A2 (en) | 1980-07-23 |
| DK150479B (da) | 1987-03-09 |
| DE2965804D1 (en) | 1983-08-04 |
| DK150479C (da) | 1987-10-26 |
| CA1122987A (en) | 1982-05-04 |
| AU527692B2 (en) | 1983-03-17 |
| EP0013474B1 (en) | 1983-06-29 |
| IE49115B1 (en) | 1985-08-07 |
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