ES8303340A1 - Procedimiento para preparar fluormetilpiridinas. - Google Patents
Procedimiento para preparar fluormetilpiridinas.Info
- Publication number
- ES8303340A1 ES8303340A1 ES511705A ES511705A ES8303340A1 ES 8303340 A1 ES8303340 A1 ES 8303340A1 ES 511705 A ES511705 A ES 511705A ES 511705 A ES511705 A ES 511705A ES 8303340 A1 ES8303340 A1 ES 8303340A1
- Authority
- ES
- Spain
- Prior art keywords
- pyridines
- fluoromethyl
- preparation
- products obtained
- obtained therefrom
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8112932 | 1981-04-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES511705A0 ES511705A0 (es) | 1983-02-01 |
| ES8303340A1 true ES8303340A1 (es) | 1983-02-01 |
Family
ID=10521390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES511705A Expired ES8303340A1 (es) | 1981-04-27 | 1982-04-26 | Procedimiento para preparar fluormetilpiridinas. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4745193A (Direct) |
| EP (1) | EP0063872B1 (Direct) |
| JP (1) | JPS57181056A (Direct) |
| AT (1) | ATE14307T1 (Direct) |
| AU (1) | AU552865B2 (Direct) |
| CA (1) | CA1183854A (Direct) |
| DE (1) | DE3264741D1 (Direct) |
| DK (1) | DK187382A (Direct) |
| ES (1) | ES8303340A1 (Direct) |
| IE (1) | IE52744B1 (Direct) |
| ZA (1) | ZA822582B (Direct) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4590279A (en) * | 1982-11-26 | 1986-05-20 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines under liquid phase conditions |
| US4650875A (en) * | 1983-05-09 | 1987-03-17 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines |
| IL70307A (en) * | 1982-11-26 | 1987-02-27 | Dow Chemical Co | Preparation of(trifluoromethyl)pyridines |
| GB8308822D0 (en) * | 1983-03-30 | 1983-05-11 | Ici Plc | Chemical process |
| CA1292746C (en) * | 1983-12-23 | 1991-12-03 | Charles A. Wilson | Preparation of difluoropyridine compounds |
| US5073637A (en) * | 1983-12-23 | 1991-12-17 | The Dow Chemical | Preparation of 2,3-difluoro-5-(trifluoromethyl)pyridine |
| US4973698A (en) * | 1983-12-23 | 1990-11-27 | The Dow Chemical Company | Preparation of 2,3-difluoro-5-(trifluoromethyl)pyridine |
| US4563530A (en) * | 1984-10-29 | 1986-01-07 | The Dow Chemical Company | Preparation of fluoropyridines |
| GB8504268D0 (en) * | 1985-02-19 | 1985-03-20 | Shell Int Research | Preparation of fluorinated pyridines |
| US5436344A (en) * | 1990-11-29 | 1995-07-25 | Pfizer Inc. | 3-bromo-5-chloro-pyridines used as intermediates in the synthesis of azatetralones |
| JP3144823B2 (ja) * | 1991-04-26 | 2001-03-12 | 旭硝子株式会社 | 無アルカリガラス |
| EP0512436A1 (en) * | 1991-05-02 | 1992-11-11 | Ishihara Sangyo Kaisha, Ltd. | Method for producing substituted pyridine derivatives |
| CN102924370A (zh) * | 2012-03-30 | 2013-02-13 | 石家庄学院 | 一种2-氨基-5-甲基吡啶的制备方法 |
| WO2019134477A1 (zh) | 2018-01-05 | 2019-07-11 | 浙江省化工研究院有限公司 | 一种2-氯-5-三氟甲基吡啶的制备方法 |
| CN111732536B (zh) * | 2020-08-26 | 2021-05-04 | 凯莱英医药集团（天津）股份有限公司 | 氨基吡啶类化合物的合成方法 |
| CN113979985A (zh) * | 2021-11-17 | 2022-01-28 | 山东海科新源材料科技股份有限公司 | 一种提升氟代碳酸乙烯酯收率稳定性的方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004375A (en) * | 1963-10-03 | 1965-09-15 | Ici Ltd | Process for making fluorochlorobenzenes and hexafluorobenzene |
| GB1039987A (en) * | 1964-03-17 | 1966-08-24 | Pennwalt Corp | Fluoropyridines |
| US3574775A (en) * | 1968-04-22 | 1971-04-13 | Imp Smelting Corp Ltd | Fluorination of perhalo compounds |
| GB1256082A (en) * | 1968-09-30 | 1971-12-08 | Ici Ltd | Manufacture of chlorofluoropyridines |
| US3609158A (en) * | 1969-03-17 | 1971-09-28 | Dow Chemical Co | Certain substituted (pyridyl)-oxy acetic acid derivatives |
| 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 |
| GB2002368A (en) * | 1977-08-12 | 1979-02-21 | Ici Ltd | Herbicidal 2-(4-Alkoxyphenyloxy) pyridine compounds |
| JPS5461182A (en) * | 1977-10-20 | 1979-05-17 | Ishihara Sangyo Kaisha Ltd | 2-phenoxy-5-trifluoromethylpyridine compounds |
| JPS5461183A (en) * | 1977-10-21 | 1979-05-17 | Ishihara Sangyo Kaisha Ltd | 2-substituted-5-trifluoromethyl pyridine compounds |
| US4190662A (en) * | 1978-03-23 | 1980-02-26 | The Dow Chemical Company | Halomethyl substituted dialkoxypyridines |
| FR2471974A1 (fr) * | 1979-12-20 | 1981-06-26 | Rhone Poulenc Ind | Procede de preparation de fluorures de fluorobenzene sulfonyle |
| US4328441A (en) * | 1980-01-31 | 1982-05-04 | Minnesota Mining And Manufacturing Company | Output circuit for piezoelectric polymer pressure sensor |
| EP0044890B1 (en) * | 1980-07-28 | 1987-01-28 | Dow Chemical Company Limited | Process for preparing fluoropyridine compounds |
| US4542221A (en) * | 1981-05-18 | 1985-09-17 | The Dow Chemical Company | Exchanging fluorine for chlorine in a chlorinated pyridine with an alkali metal fluoride |
| US4567273A (en) * | 1982-04-16 | 1986-01-28 | The Dow Chemical Company | Liquid phase halogen exchange of (trichloromethyl) pyridines to (trifluoromethyl)pyridines |
| US4590279A (en) * | 1982-11-26 | 1986-05-20 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines under liquid phase conditions |
| US4547577A (en) * | 1984-06-08 | 1985-10-15 | The Dow Chemical Company | Preparation of (trifluoromethyl)pyridines |
-
1982
- 1982-03-31 DE DE8282301690T patent/DE3264741D1/de not_active Expired
- 1982-03-31 EP EP82301690A patent/EP0063872B1/en not_active Expired
- 1982-03-31 AT AT82301690T patent/ATE14307T1/de not_active IP Right Cessation
- 1982-04-06 AU AU82377/82A patent/AU552865B2/en not_active Ceased
- 1982-04-07 IE IE831/82A patent/IE52744B1/en unknown
- 1982-04-15 ZA ZA822582A patent/ZA822582B/xx unknown
- 1982-04-26 ES ES511705A patent/ES8303340A1/es not_active Expired
- 1982-04-27 DK DK187382A patent/DK187382A/da not_active Application Discontinuation
- 1982-04-27 JP JP57069687A patent/JPS57181056A/ja active Granted
- 1982-04-27 CA CA000401777A patent/CA1183854A/en not_active Expired
-
1986
- 1986-05-09 US US06/861,667 patent/US4745193A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4745193A (en) | 1988-05-17 |
| CA1183854A (en) | 1985-03-12 |
| ES511705A0 (es) | 1983-02-01 |
| ATE14307T1 (de) | 1985-08-15 |
| DE3264741D1 (en) | 1985-08-22 |
| EP0063872B1 (en) | 1985-07-17 |
| EP0063872A1 (en) | 1982-11-03 |
| DK187382A (da) | 1982-10-28 |
| IE820831L (en) | 1982-10-27 |
| IE52744B1 (en) | 1988-02-03 |
| JPS57181056A (en) | 1982-11-08 |
| AU8237782A (en) | 1982-11-04 |
| AU552865B2 (en) | 1986-06-26 |
| ZA822582B (en) | 1983-11-30 |
| JPH039109B2 (Direct) | 1991-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |
Effective date: 19960401 |