BR8502718A - Processo para preparacao de 3-cloro-2-fluor-5-(trifluorometil)piridina - Google Patents
Processo para preparacao de 3-cloro-2-fluor-5-(trifluorometil)piridinaInfo
- Publication number
- BR8502718A BR8502718A BR8502718A BR8502718A BR8502718A BR 8502718 A BR8502718 A BR 8502718A BR 8502718 A BR8502718 A BR 8502718A BR 8502718 A BR8502718 A BR 8502718A BR 8502718 A BR8502718 A BR 8502718A
- Authority
- BR
- Brazil
- Prior art keywords
- trifluoromethil
- fluor
- pyridine
- chlorine
- preparation
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/618,806 US4547577A (en) | 1984-06-08 | 1984-06-08 | Preparation of (trifluoromethyl)pyridines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8502718A true BR8502718A (pt) | 1986-02-12 |
Family
ID=24479217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8502718A BR8502718A (pt) | 1984-06-08 | 1985-06-05 | Processo para preparacao de 3-cloro-2-fluor-5-(trifluorometil)piridina |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4547577A (pt) |
| EP (1) | EP0164104B1 (pt) |
| JP (1) | JPH0625111B2 (pt) |
| AU (1) | AU570801B2 (pt) |
| BR (1) | BR8502718A (pt) |
| CA (1) | CA1199331A (pt) |
| CS (1) | CS248745B2 (pt) |
| DE (1) | DE3585702D1 (pt) |
| DK (1) | DK159422C (pt) |
| HU (1) | HU199122B (pt) |
| SU (1) | SU1473711A3 (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4782161A (en) * | 1987-10-21 | 1988-11-01 | The Dow Chemical Company | Preparation of fluoropyridines |
| US4999432A (en) * | 1989-08-28 | 1991-03-12 | Dowelanco | Fluorination with hydrogen fluoride |
| 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 |
| CN107935920A (zh) * | 2017-11-30 | 2018-04-20 | 山东汇盟生物科技有限公司 | 2‑氟‑3‑氯‑5‑三氟甲基吡啶的制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1039987A (en) * | 1964-03-17 | 1966-08-24 | Pennwalt Corp | Fluoropyridines |
| GB1272475A (en) * | 1969-05-30 | 1972-04-26 | Ici Ltd | Manufacture of fluoropyridines |
| EP0001473B1 (en) * | 1977-08-12 | 1988-07-27 | Imperial Chemical Industries 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 |
| JPS5585564A (en) * | 1978-12-22 | 1980-06-27 | Ishihara Sangyo Kaisha Ltd | Preparation of beta-trifluoromethylpyridine |
| JPS55158979A (en) * | 1979-05-29 | 1980-12-10 | Seiko Epson Corp | Ink jet recording head |
| ATE24491T1 (de) * | 1981-09-03 | 1987-01-15 | Ici Plc | Chlor-trifluoromethyl-pyridine. |
| US4567273A (en) * | 1982-04-16 | 1986-01-28 | The Dow Chemical Company | Liquid phase halogen exchange of (trichloromethyl) pyridines to (trifluoromethyl)pyridines |
| US4493932A (en) * | 1982-09-13 | 1985-01-15 | The Dow Chemical Company | Chlorine exchange for fluorine in 2-fluoro-pyridine compounds |
| IL70307A (en) * | 1982-11-26 | 1987-02-27 | Dow Chemical Co | Preparation of(trifluoromethyl)pyridines |
-
1984
- 1984-06-08 US US06/618,806 patent/US4547577A/en not_active Expired - Lifetime
-
1985
- 1985-05-09 CA CA000481126A patent/CA1199331A/en not_active Expired
- 1985-05-21 AU AU42712/85A patent/AU570801B2/en not_active Ceased
- 1985-06-04 EP EP85106917A patent/EP0164104B1/en not_active Expired - Lifetime
- 1985-06-04 DE DE8585106917T patent/DE3585702D1/de not_active Expired - Lifetime
- 1985-06-05 BR BR8502718A patent/BR8502718A/pt not_active IP Right Cessation
- 1985-06-06 CS CS854063A patent/CS248745B2/cs unknown
- 1985-06-06 DK DK255485A patent/DK159422C/da not_active IP Right Cessation
- 1985-06-07 JP JP60124064A patent/JPH0625111B2/ja not_active Expired - Fee Related
- 1985-06-07 SU SU853919403A patent/SU1473711A3/ru active
- 1985-06-07 HU HU852275A patent/HU199122B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK255485A (da) | 1985-12-09 |
| HUT38316A (en) | 1986-05-28 |
| CA1199331A (en) | 1986-01-14 |
| US4547577A (en) | 1985-10-15 |
| HU199122B (en) | 1990-01-29 |
| CS248745B2 (en) | 1987-02-12 |
| EP0164104B1 (en) | 1992-03-25 |
| DK159422B (da) | 1990-10-15 |
| DK255485D0 (da) | 1985-06-06 |
| JPS611662A (ja) | 1986-01-07 |
| AU570801B2 (en) | 1988-03-24 |
| DE3585702D1 (de) | 1992-04-30 |
| EP0164104A2 (en) | 1985-12-11 |
| JPH0625111B2 (ja) | 1994-04-06 |
| SU1473711A3 (ru) | 1989-04-15 |
| AU4271285A (en) | 1985-12-12 |
| DK159422C (da) | 1991-03-18 |
| EP0164104A3 (en) | 1988-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 05/06/2000 |