CN106631999A - 一种低成本1‑(4‑吡啶基)‑2‑丙酮的制备方法 - Google Patents
一种低成本1‑(4‑吡啶基)‑2‑丙酮的制备方法 Download PDFInfo
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- CN106631999A CN106631999A CN201611075106.3A CN201611075106A CN106631999A CN 106631999 A CN106631999 A CN 106631999A CN 201611075106 A CN201611075106 A CN 201611075106A CN 106631999 A CN106631999 A CN 106631999A
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- preparation
- dichloromethane
- acetone
- temperature control
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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
- C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/50—Ketonic radicals
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
反应时间h | 17 | 18 | 19 | 20 | 21 |
收率% | 82.1 | 84.3 | 85.2 | 85.7 | 85.8 |
浓度% | 26 | 29 | 32 | 35 | 37 | 41 |
收率% | 82.7 | 84.0 | 85.1 | 85.7 | 85.2 | 84.3 |
压力MPa | -0.02 | -0.05 | -0.08 | -0.10 | -0.15 |
收率% | 85.8 | 85.7 | 85.7 | 85.7 | 85.7 |
时间min | 18 | 13 | 8 | 7 | 7 |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611075106.3A CN106631999B (zh) | 2016-11-30 | 2016-11-30 | 一种1-(4-吡啶基)-2-丙酮的制备方法 |
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CN201611075106.3A CN106631999B (zh) | 2016-11-30 | 2016-11-30 | 一种1-(4-吡啶基)-2-丙酮的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN106631999A true CN106631999A (zh) | 2017-05-10 |
CN106631999B CN106631999B (zh) | 2019-12-03 |
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CN201611075106.3A Active CN106631999B (zh) | 2016-11-30 | 2016-11-30 | 一种1-(4-吡啶基)-2-丙酮的制备方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50129571A (zh) * | 1974-03-28 | 1975-10-13 | ||
US4681944A (en) * | 1985-06-11 | 1987-07-21 | Ippolito Robert M | Process for preparing certain 1-lower alkanoyl or benzoyl-4-(lower alkanoyl or benzoyl-methylidene)-1,4-dihydropyridines or acid addition salts thereof |
CN104387320A (zh) * | 2014-09-28 | 2015-03-04 | 湖州展望药业有限公司 | 一种高纯度米力农的制备方法 |
CN104744357A (zh) * | 2015-03-30 | 2015-07-01 | 浙江中维药业有限公司 | 米力农的重结晶提纯方法 |
-
2016
- 2016-11-30 CN CN201611075106.3A patent/CN106631999B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50129571A (zh) * | 1974-03-28 | 1975-10-13 | ||
US4681944A (en) * | 1985-06-11 | 1987-07-21 | Ippolito Robert M | Process for preparing certain 1-lower alkanoyl or benzoyl-4-(lower alkanoyl or benzoyl-methylidene)-1,4-dihydropyridines or acid addition salts thereof |
CN104387320A (zh) * | 2014-09-28 | 2015-03-04 | 湖州展望药业有限公司 | 一种高纯度米力农的制备方法 |
CN104744357A (zh) * | 2015-03-30 | 2015-07-01 | 浙江中维药业有限公司 | 米力农的重结晶提纯方法 |
Non-Patent Citations (4)
Title |
---|
刘启明: "磷酸二酯酶抑制剂米力农的合成和结构鉴定", 《华中科技大学学报(医学版)》 * |
张为革,等: "1-(4-吡啶基)-2-丙酮的新合成方法", 《沈阳药科大学学报》 * |
陈双伟,等: "米力农的合成工艺改进", 《中国药物化学杂志》 * |
高华英,等: "1-(4-吡啶基)-2-丙酮合成工艺的改进", 《化学工业与工程技术》 * |
Also Published As
Publication number | Publication date |
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CN106631999B (zh) | 2019-12-03 |
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Denomination of invention: A preparation method of 1 - (4-pyridyl) - 2-acetone Effective date of registration: 20210728 Granted publication date: 20191203 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. and Fu sub branch Pledgor: HUZHOU HENGYUAN BIOCHEM. TECH. Co.,Ltd. Registration number: Y2021990000653 |
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Date of cancellation: 20230828 Granted publication date: 20191203 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. and Fu sub branch Pledgor: HUZHOU HENGYUAN BIOCHEM. TECH. CO.,LTD. Registration number: Y2021990000653 |