DK539883A - Fremstilling af (trifluormethyl)pyridiner - Google Patents
Fremstilling af (trifluormethyl)pyridiner Download PDFInfo
- Publication number
- DK539883A DK539883A DK539883A DK539883A DK539883A DK 539883 A DK539883 A DK 539883A DK 539883 A DK539883 A DK 539883A DK 539883 A DK539883 A DK 539883A DK 539883 A DK539883 A DK 539883A
- Authority
- DK
- Denmark
- Prior art keywords
- pyridines
- trifluoromethyl
- preparation
- Prior art date
Links
- RQMWVVBHJMUJNZ-UHFFFAOYSA-N 4-chloropyridin-2-amine Chemical compound NC1=CC(Cl)=CC=N1 RQMWVVBHJMUJNZ-UHFFFAOYSA-N 0.000 title 1
- WZKSXHQDXQKIQJ-UHFFFAOYSA-N F[C](F)F Chemical class F[C](F)F WZKSXHQDXQKIQJ-UHFFFAOYSA-N 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44477382A | 1982-11-26 | 1982-11-26 | |
| US44477382 | 1982-11-26 | ||
| US06/492,983 US4650875A (en) | 1983-05-09 | 1983-05-09 | Preparation of (trifluoromethyl)pyridines |
| US49298383 | 1983-05-09 | ||
| US06/520,399 US4590279A (en) | 1982-11-26 | 1983-08-04 | Preparation of (trifluoromethyl)pyridines under liquid phase conditions |
| US52039983 | 1983-08-04 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK539883D0 DK539883D0 (da) | 1983-11-25 |
| DK539883A true DK539883A (da) | 1984-05-27 |
| DK159421B DK159421B (da) | 1990-10-15 |
| DK159421C DK159421C (da) | 1991-04-08 |
Family
ID=27412221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK539883A DK159421C (da) | 1982-11-26 | 1983-11-25 | Fremgangsmaade til fremstilling af trifluormethylpyridiner |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0110690B1 (da) |
| AU (1) | AU558120B2 (da) |
| BR (1) | BR8306556A (da) |
| DE (1) | DE3381907D1 (da) |
| DK (1) | DK159421C (da) |
| IL (1) | IL70307A (da) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567273A (en) * | 1982-04-16 | 1986-01-28 | The Dow Chemical Company | Liquid phase halogen exchange of (trichloromethyl) pyridines to (trifluoromethyl)pyridines |
| US4547577A (en) * | 1984-06-08 | 1985-10-15 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines |
| US4629610A (en) * | 1985-05-10 | 1986-12-16 | Dow Chemical Co. | Hydrogen fluoride recovery process |
| US4649201A (en) * | 1985-12-27 | 1987-03-10 | The Dow Chemical Company | Removal of ferric chloride from halopyridines |
| DE102009006643A1 (de) * | 2009-01-29 | 2010-08-05 | Saltigo Gmbh | Herstellung von halogenierten N-heteroaromatischen Polyhalogenderivaten |
| JP6219922B2 (ja) * | 2012-03-30 | 2017-10-25 | ダウ アグロサイエンシィズ エルエルシー | ３−置換−６−トリフルオロメチルピリジンを調製する方法およびハロゲン化６−トリクロロメチルピリジンを使用する方法 |
| DK3008040T3 (da) * | 2013-06-14 | 2017-07-31 | Cheminova As | Fremgangsmåde til fremstilling af 2,3-dichlor-5-(trichlormethyl)pyridin. |
| CN107954924A (zh) * | 2016-10-18 | 2018-04-24 | 内蒙古佳瑞米精细化工有限公司 | 一种2-氟-3-氯-5-三氟甲基吡啶的制备方法 |
| CN109232400B (zh) * | 2018-11-22 | 2020-10-27 | 中触媒新材料股份有限公司 | 一种连续化合成2，3-二氯-5-三氟甲基吡啶的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPS5461183A (en) * | 1977-10-21 | 1979-05-17 | Ishihara Sangyo Kaisha Ltd | 2-substituted-5-trifluoromethyl pyridine compounds |
| US4266064A (en) * | 1979-03-19 | 1981-05-05 | Ishihara Sangyo Kaisha Ltd. | Process for producing chloro β-trifluoromethylpyridines |
| 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 |
-
1983
- 1983-11-23 IL IL7030783A patent/IL70307A/xx not_active IP Right Cessation
- 1983-11-25 DE DE8383307212T patent/DE3381907D1/de not_active Expired - Lifetime
- 1983-11-25 AU AU21699/83A patent/AU558120B2/en not_active Ceased
- 1983-11-25 DK DK539883A patent/DK159421C/da not_active IP Right Cessation
- 1983-11-25 EP EP83307212A patent/EP0110690B1/en not_active Expired - Lifetime
- 1983-11-25 BR BR8306556A patent/BR8306556A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0110690B1 (en) | 1990-09-26 |
| AU558120B2 (en) | 1987-01-22 |
| EP0110690A1 (en) | 1984-06-13 |
| IL70307A (en) | 1987-02-27 |
| DK159421B (da) | 1990-10-15 |
| DE3381907D1 (de) | 1990-10-31 |
| BR8306556A (pt) | 1985-03-12 |
| DK159421C (da) | 1991-04-08 |
| DK539883D0 (da) | 1983-11-25 |
| AU2169983A (en) | 1984-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUP | Patent expired |