CA1126276A - Halogenation of pyridine compounds - Google Patents
Halogenation of pyridine compoundsInfo
- Publication number
- CA1126276A CA1126276A CA344,387A CA344387A CA1126276A CA 1126276 A CA1126276 A CA 1126276A CA 344387 A CA344387 A CA 344387A CA 1126276 A CA1126276 A CA 1126276A
- Authority
- CA
- Canada
- Prior art keywords
- methylpyridine
- chlorine
- reaction
- hydrogen fluoride
- 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
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
- C07D213/24—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
-
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7903018 | 1979-01-29 | ||
| GB7903018 | 1979-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1126276A true CA1126276A (en) | 1982-06-22 |
Family
ID=10502792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA344,387A Expired CA1126276A (en) | 1979-01-29 | 1980-01-25 | Halogenation of pyridine compounds |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4259496A (enExample) |
| EP (1) | EP0014033B1 (enExample) |
| JP (1) | JPS55102564A (enExample) |
| AU (1) | AU527098B2 (enExample) |
| CA (1) | CA1126276A (enExample) |
| DE (1) | DE3061933D1 (enExample) |
| ZA (1) | ZA80155B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159768A (en) * | 1981-03-27 | 1982-10-01 | Ishihara Sangyo Kaisha Ltd | Preparation of beta-trifluoromethylpyridine compound |
| US4650875A (en) * | 1983-05-09 | 1987-03-17 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines |
| US4590279A (en) * | 1982-11-26 | 1986-05-20 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines under liquid phase conditions |
| 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 |
| EP3696168B1 (en) | 2018-01-05 | 2022-09-21 | Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd. | Method for preparation of 2-chloro-5-trifluoromethylpyridine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4101554A (en) * | 1975-12-22 | 1978-07-18 | Olin Corporation | Catalytic process for the preparation of perfluoroalkyl-substituted heterocyclic compounds |
| US4071521A (en) * | 1976-08-23 | 1978-01-31 | The Dow Chemical Company | Process for making 2,6-difluoro pyridine |
| US4031100A (en) * | 1976-08-23 | 1977-06-21 | The Dow Chemical Company | Process for making 2,6-difluoropyridine |
-
1980
- 1980-01-04 DE DE8080300045T patent/DE3061933D1/de not_active Expired
- 1980-01-04 EP EP80300045A patent/EP0014033B1/en not_active Expired
- 1980-01-10 ZA ZA00800155A patent/ZA80155B/xx unknown
- 1980-01-16 US US06/112,609 patent/US4259496A/en not_active Expired - Lifetime
- 1980-01-21 AU AU54787/80A patent/AU527098B2/en not_active Expired
- 1980-01-25 CA CA344,387A patent/CA1126276A/en not_active Expired
- 1980-01-28 JP JP787380A patent/JPS55102564A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4259496A (en) | 1981-03-31 |
| JPS6320225B2 (enExample) | 1988-04-26 |
| AU5478780A (en) | 1980-08-07 |
| EP0014033A2 (en) | 1980-08-06 |
| JPS55102564A (en) | 1980-08-05 |
| ZA80155B (en) | 1981-01-28 |
| EP0014033A3 (en) | 1980-12-10 |
| DE3061933D1 (en) | 1983-03-24 |
| EP0014033B1 (en) | 1983-02-16 |
| AU527098B2 (en) | 1983-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |