CN110003097A - 一种两段法制备2-氯-5-三氟甲基吡啶的方法 - Google Patents
一种两段法制备2-氯-5-三氟甲基吡啶的方法 Download PDFInfo
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- CN110003097A CN110003097A CN201810009301.9A CN201810009301A CN110003097A CN 110003097 A CN110003097 A CN 110003097A CN 201810009301 A CN201810009301 A CN 201810009301A CN 110003097 A CN110003097 A CN 110003097A
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- China
- Prior art keywords
- catalyst
- chloro
- trifluoromethylpyridine
- chlorofluorination
- preparation
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- 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.)
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Abstract
Description
Claims (12)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810009301.9A CN110003097B (zh) | 2018-01-05 | 2018-01-05 | 一种两段法制备2-氯-5-三氟甲基吡啶的方法 |
US16/620,763 US11186546B2 (en) | 2017-12-06 | 2018-12-05 | Method for preparing 2,3-dichloro-5-trifluoromethylpyridine with high selectivity |
US16/772,916 US11254642B2 (en) | 2018-01-05 | 2018-12-05 | Method for preparing 2-chloro-5-trifluoromethylpyridine |
EP18898437.1A EP3696168B1 (en) | 2018-01-05 | 2018-12-05 | Method for preparation of 2-chloro-5-trifluoromethylpyridine |
JP2020534907A JP6977174B2 (ja) | 2018-01-05 | 2018-12-05 | 2−クロロ−5−トリフルオロメチルピリジンの作製方法 |
PCT/CN2018/119312 WO2019109936A1 (zh) | 2017-12-06 | 2018-12-05 | 一种高选择性地制备2,3-二氯-5-三氟甲基吡啶的方法 |
PCT/CN2018/119320 WO2019134477A1 (zh) | 2018-01-05 | 2018-12-05 | 一种2-氯-5-三氟甲基吡啶的制备方法 |
EP22185294.0A EP4105202B1 (en) | 2018-01-05 | 2018-12-05 | Method for preparing 2-chloro-5-trifluoromethylpyridine |
JP2019567321A JP6872041B2 (ja) | 2017-12-06 | 2018-12-05 | 2,3−ジクロロ−5−トリフルオロメチルピリジンの高選択的な製造方法 |
KR1020207014641A KR102366955B1 (ko) | 2017-12-06 | 2018-12-05 | 2,3- 디클로로 -5- 트리 플루오로 메틸 피리딘의 제조 방법 |
EP18886350.0A EP3620451B1 (en) | 2017-12-06 | 2018-12-05 | Method for preparing 2,3-dichloro-5-trifluoromethylpyridine with high selectivity |
US17/478,129 US20220002249A1 (en) | 2017-12-06 | 2021-09-17 | Method for preparing 2,3-dichloro-5-trifluoromethylpyridine with high selectivity |
JP2021182617A JP7223827B2 (ja) | 2018-01-05 | 2021-11-09 | 2-クロロ-5-トリフルオロメチルピリジンの作製方法 |
Applications Claiming Priority (1)
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CN201810009301.9A CN110003097B (zh) | 2018-01-05 | 2018-01-05 | 一种两段法制备2-氯-5-三氟甲基吡啶的方法 |
Publications (2)
Publication Number | Publication Date |
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CN110003097A true CN110003097A (zh) | 2019-07-12 |
CN110003097B CN110003097B (zh) | 2020-11-17 |
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CN201810009301.9A Active CN110003097B (zh) | 2017-12-06 | 2018-01-05 | 一种两段法制备2-氯-5-三氟甲基吡啶的方法 |
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CN (1) | CN110003097B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4288599A (en) * | 1979-03-09 | 1981-09-08 | Ishihara Sangyo Kaisha Ltd. | Process for producing pyridine derivatives having a trifluoromethyl group at β-position thereof |
EP0078410A2 (en) * | 1981-11-04 | 1983-05-11 | Ishihara Sangyo Kaisha, Ltd. | Process for producing 3-chloro-5-trifluoromethylpyridines |
US4417055A (en) * | 1981-03-27 | 1983-11-22 | Ishihara Sangyo Kaisha Ltd. | Process for producing a β-trifluoromethylpyridine |
US4420618A (en) * | 1980-03-07 | 1983-12-13 | Ishihara Sangyo Kaisha Ltd. | Process for producing 5-chloro-β-trifluoromethylpyridines |
CN104610137A (zh) * | 2015-01-30 | 2015-05-13 | 大连世慕化学有限公司 | 2-氯-5-三氯甲基吡啶及2-氯-5-三氟甲基吡啶合成方法 |
-
2018
- 2018-01-05 CN CN201810009301.9A patent/CN110003097B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4288599A (en) * | 1979-03-09 | 1981-09-08 | Ishihara Sangyo Kaisha Ltd. | Process for producing pyridine derivatives having a trifluoromethyl group at β-position thereof |
US4420618A (en) * | 1980-03-07 | 1983-12-13 | Ishihara Sangyo Kaisha Ltd. | Process for producing 5-chloro-β-trifluoromethylpyridines |
US4417055A (en) * | 1981-03-27 | 1983-11-22 | Ishihara Sangyo Kaisha Ltd. | Process for producing a β-trifluoromethylpyridine |
EP0078410A2 (en) * | 1981-11-04 | 1983-05-11 | Ishihara Sangyo Kaisha, Ltd. | Process for producing 3-chloro-5-trifluoromethylpyridines |
CN104610137A (zh) * | 2015-01-30 | 2015-05-13 | 大连世慕化学有限公司 | 2-氯-5-三氯甲基吡啶及2-氯-5-三氟甲基吡啶合成方法 |
Non-Patent Citations (1)
Title |
---|
董青青,等: "2-氯-5-三氟甲基吡啶和 3-三氟甲基吡啶的制备", 《化工学报》 * |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A two-stage method for preparing 2-chloro-5-trifluoromethylpyridine Effective date of registration: 20220628 Granted publication date: 20201117 Pledgee: Industrial and Commercial Bank of China Limited Hangzhou Zhaohui sub branch Pledgor: SINOCHEM LANTIAN Co.,Ltd. Registration number: Y2022330001143 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230308 Granted publication date: 20201117 Pledgee: Industrial and Commercial Bank of China Limited Hangzhou Zhaohui sub branch Pledgor: SINOCHEM LANTIAN Co.,Ltd. Registration number: Y2022330001143 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |