CN106432032B - 一种左乙拉西坦的制备方法 - Google Patents
一种左乙拉西坦的制备方法 Download PDFInfo
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- CN106432032B CN106432032B CN201610824516.7A CN201610824516A CN106432032B CN 106432032 B CN106432032 B CN 106432032B CN 201610824516 A CN201610824516 A CN 201610824516A CN 106432032 B CN106432032 B CN 106432032B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/27—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
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- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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Priority Applications (1)
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CN201610824516.7A CN106432032B (zh) | 2016-09-14 | 2016-09-14 | 一种左乙拉西坦的制备方法 |
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CN201610824516.7A CN106432032B (zh) | 2016-09-14 | 2016-09-14 | 一种左乙拉西坦的制备方法 |
Publications (2)
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CN106432032A CN106432032A (zh) | 2017-02-22 |
CN106432032B true CN106432032B (zh) | 2019-07-12 |
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CN201610824516.7A Active CN106432032B (zh) | 2016-09-14 | 2016-09-14 | 一种左乙拉西坦的制备方法 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107721897A (zh) * | 2017-10-19 | 2018-02-23 | 扬子江药业集团南京海陵药业有限公司 | 一种左乙拉西坦新晶型及其制备方法 |
CN108329247A (zh) * | 2018-02-10 | 2018-07-27 | 浙江华海药业股份有限公司 | 一种小颗粒度左乙拉西坦的制备方法 |
CN110698379B (zh) * | 2019-11-19 | 2022-10-25 | 湖南洞庭药业股份有限公司 | 制备左乙拉西坦的方法 |
CN112194644A (zh) * | 2020-09-01 | 2021-01-08 | 河南立诺制药有限公司 | 一种呋喃碱金属盐、呋喃酰氯及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85105301A (zh) * | 1984-05-15 | 1987-01-14 | 尤西比公司 | (S)-α-乙基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
CN102558012A (zh) * | 2012-03-15 | 2012-07-11 | 台州市知青化工有限公司 | 一种左乙拉西坦的合成方法 |
CN102675181A (zh) * | 2012-06-07 | 2012-09-19 | 北京师宏药物研制中心 | 一种左乙拉西坦的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008077035A2 (en) * | 2006-12-18 | 2008-06-26 | Dr. Reddy's Laboratories Ltd. | Processes for the preparation of levetiracetam |
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2016
- 2016-09-14 CN CN201610824516.7A patent/CN106432032B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85105301A (zh) * | 1984-05-15 | 1987-01-14 | 尤西比公司 | (S)-α-乙基-2-氧代-1-吡咯烷乙酰胺的制备方法 |
CN102558012A (zh) * | 2012-03-15 | 2012-07-11 | 台州市知青化工有限公司 | 一种左乙拉西坦的合成方法 |
CN102675181A (zh) * | 2012-06-07 | 2012-09-19 | 北京师宏药物研制中心 | 一种左乙拉西坦的制备方法 |
Non-Patent Citations (3)
Title |
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An asymmetric synthesis of Levetiracetam;Veeramalla Raju, et al.;《Indian Journal of Chemistry》;20140930;第53B卷;第1218-1221页 |
以(S)-2-氨基丁酰胺盐酸盐为手性源合成左乙拉西坦的工艺研究;张万科,等.;《化学试剂》;20091231;第31卷(第12期);第1037页右栏倒数第2行-第1038页左栏第8行 |
左乙拉西坦的合成工艺研究;李雷,等.;《辽宁化工》;20140930;第43卷(第9期);第1134-1135页 |
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CN106432032A (zh) | 2017-02-22 |
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Effective date of registration: 20180727 Address after: 215151 No. 122, Hu Qing Road, Hu Guan Town, Suzhou, Jiangsu Applicant after: Suzhou Tianma Pharmaceutical Co., Ltd. Address before: 215000 Huayuan East Road, Mu Du Town, Wuzhong District, Suzhou, Jiangsu 199-1 Applicant before: Suzhou Tianma Fine Chemical Product Co., Ltd. |
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Address after: 215151 No. 122, Hu Qing Road, Hu Guan Town, Suzhou, Jiangsu Patentee after: Suzhou Zhengji Pharmaceutical Co., Ltd Address before: 215151 No. 122, Hu Qing Road, Hu Guan Town, Suzhou, Jiangsu Patentee before: SUZHOU TIANMA PHARMACEUTICAL Co.,Ltd. |