NL190756B - Werkwijze voor het bereiden van polychloor-3-trifluormethylpyridineverbindingen. - Google Patents
Werkwijze voor het bereiden van polychloor-3-trifluormethylpyridineverbindingen.Info
- Publication number
- NL190756B NL190756B NLAANVRAGE8100848,A NL8100848A NL190756B NL 190756 B NL190756 B NL 190756B NL 8100848 A NL8100848 A NL 8100848A NL 190756 B NL190756 B NL 190756B
- Authority
- NL
- Netherlands
- Prior art keywords
- polychloro
- preparing
- trifluoromethylpyridine compounds
- trifluoromethylpyridine
- compounds
- Prior art date
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)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2882680A JPS56125369A (en) | 1980-03-07 | 1980-03-07 | Preparation of 3-halogeno-5-trifluoromethylpyridine compound |
| JP2882680 | 1980-03-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL8100848A NL8100848A (nl) | 1981-10-01 |
| NL190756B true NL190756B (nl) | 1994-03-01 |
| NL190756C NL190756C (nl) | 1994-08-01 |
Family
ID=12259191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8100848A NL190756C (nl) | 1980-03-07 | 1981-02-20 | Werkwijze voor het bereiden van polychloor-3-trifluormethylpyridineverbindingen. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4420618A (nl) |
| JP (1) | JPS56125369A (nl) |
| CH (1) | CH648829A5 (nl) |
| DE (1) | DE3107513A1 (nl) |
| FR (1) | FR2477540B1 (nl) |
| GB (1) | GB2091718B (nl) |
| NL (1) | NL190756C (nl) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56125369A (en) | 1980-03-07 | 1981-10-01 | Ishihara Sangyo Kaisha Ltd | Preparation of 3-halogeno-5-trifluoromethylpyridine compound |
| 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 |
| 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 |
| CN100577646C (zh) * | 2007-06-27 | 2010-01-06 | 上海康鹏化学有限公司 | 一种三氟甲基吡啶类化合物的制备方法 |
| CN105198800B (zh) * | 2014-06-25 | 2018-02-16 | 江苏扬农化工集团有限公司 | 一种农药中间体2,3‑二氯‑5‑甲基吡啶的制备方法 |
| CN109879802B (zh) * | 2017-12-06 | 2021-06-01 | 浙江省化工研究院有限公司 | 一种高选择性地制备2,3-二氯-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 |
| 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 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3418323A (en) * | 1961-11-15 | 1968-12-24 | Dow Chemical Co | 2-chloro-6-(trichloromethyl)pyridine compounds |
| GB1011493A (en) * | 1963-05-23 | 1965-12-01 | Ici Ltd | Manufacture of chlorinated derivatives of pyridine |
| US3538100A (en) * | 1968-03-15 | 1970-11-03 | Olin Corp | Process for preparing highly chlorinated pyridines |
| DE2862462D1 (de) * | 1977-08-12 | 1985-05-15 | Ici Plc | 2-chloro-5-trichloromethylpyridine |
| JPS5461183A (en) * | 1977-10-21 | 1979-05-17 | Ishihara Sangyo Kaisha Ltd | 2-substituted-5-trifluoromethyl pyridine compounds |
| DE2809334A1 (de) * | 1978-03-03 | 1979-09-13 | Ici Ltd | Verfahren zur herstellung von 2,3,5- trichloropyridin |
| CA1089468A (en) * | 1978-04-24 | 1980-11-11 | The Dow Chemical Company | Process for preparing 2,3,5,6-tetrachloropyridine and pentachloropyridine |
| US4227001A (en) * | 1978-06-19 | 1980-10-07 | The Dow Chemical Company | Preparation of polychlorinated pyridines from 2,4-dichloro-6-(trichloro methyl)pyridine |
| ZA796150B (en) * | 1978-12-07 | 1980-10-29 | Ici Ltd | Chlorination process |
| US4257857A (en) * | 1979-01-22 | 1981-03-24 | Imperial Chemical Industries Limited | Liquid phase preparation of 2-chloro-5-trifluoromethylpyridine and 2-chloro-5-perchlorofluoromethylpyridine |
| US4266064A (en) * | 1979-03-19 | 1981-05-05 | Ishihara Sangyo Kaisha Ltd. | Process for producing chloro β-trifluoromethylpyridines |
| JPS56125369A (en) | 1980-03-07 | 1981-10-01 | Ishihara Sangyo Kaisha Ltd | Preparation of 3-halogeno-5-trifluoromethylpyridine compound |
| US4309548A (en) * | 1981-01-19 | 1982-01-05 | The Dow Chemical Company | Chlorination of 2-chloro-5-trichloromethylpyridine |
| US4331811A (en) * | 1981-03-12 | 1982-05-25 | The Dow Chemical Company | Preparation of 2,3-dichloro-5-trichloromethylpyridine |
-
1980
- 1980-03-07 JP JP2882680A patent/JPS56125369A/ja active Granted
-
1981
- 1981-02-13 GB GB8104646A patent/GB2091718B/en not_active Expired
- 1981-02-20 NL NL8100848A patent/NL190756C/nl not_active IP Right Cessation
- 1981-02-27 DE DE19813107513 patent/DE3107513A1/de active Granted
- 1981-03-04 CH CH1444/81A patent/CH648829A5/de not_active IP Right Cessation
- 1981-03-06 FR FR8104573A patent/FR2477540B1/fr not_active Expired
-
1982
- 1982-07-26 US US06/401,744 patent/US4420618A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2477540A1 (fr) | 1981-09-11 |
| GB2091718B (en) | 1984-03-28 |
| NL190756C (nl) | 1994-08-01 |
| DE3107513C2 (nl) | 1989-12-07 |
| US4420618A (en) | 1983-12-13 |
| NL8100848A (nl) | 1981-10-01 |
| FR2477540B1 (fr) | 1985-07-05 |
| DE3107513A1 (de) | 1981-12-24 |
| GB2091718A (en) | 1982-08-04 |
| JPS56125369A (en) | 1981-10-01 |
| JPS6315271B2 (nl) | 1988-04-04 |
| CH648829A5 (de) | 1985-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19980901 |