CN102382027B - 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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- CN102382027B CN102382027B CN2011102803612A CN201110280361A CN102382027B CN 102382027 B CN102382027 B CN 102382027B CN 2011102803612 A CN2011102803612 A CN 2011102803612A CN 201110280361 A CN201110280361 A CN 201110280361A CN 102382027 B CN102382027 B CN 102382027B
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- amino
- tartrate
- levetiracetam
- butanamide
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CN2011102803612A CN102382027B (zh) | 2011-09-20 | 2011-09-20 | 一种左乙拉西坦的制备方法 |
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CN2011102803612A CN102382027B (zh) | 2011-09-20 | 2011-09-20 | 一种左乙拉西坦的制备方法 |
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CN102382027A CN102382027A (zh) | 2012-03-21 |
CN102382027B true CN102382027B (zh) | 2013-11-13 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105198768B (zh) * | 2015-08-25 | 2017-07-04 | 江苏中邦制药有限公司 | 一种2‑氨基丁酰胺的合成方法 |
CN113582903B (zh) * | 2021-08-25 | 2023-06-06 | 沧州那瑞化学科技有限公司 | 用l-2-氨基丁酰胺盐酸盐合成治疗癫痫病药物的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696943A (en) * | 1984-05-15 | 1987-09-29 | U C B Societe Anonyme | (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide |
CN101130504A (zh) * | 2006-08-25 | 2008-02-27 | 雅本化学(苏州)有限公司 | 手性药物左乙拉西坦中间体(s)-(+)-2-氨基丁酰胺盐酸盐的合成、拆分与消旋 |
CN102020584A (zh) * | 2010-11-25 | 2011-04-20 | 浙江沙星医药化工有限公司 | 一种手性药物左乙拉西坦中间体l-2-氨基丁酰胺盐酸盐的合成方法 |
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- 2011-09-20 CN CN2011102803612A patent/CN102382027B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696943A (en) * | 1984-05-15 | 1987-09-29 | U C B Societe Anonyme | (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide |
CN101130504A (zh) * | 2006-08-25 | 2008-02-27 | 雅本化学(苏州)有限公司 | 手性药物左乙拉西坦中间体(s)-(+)-2-氨基丁酰胺盐酸盐的合成、拆分与消旋 |
CN102020584A (zh) * | 2010-11-25 | 2011-04-20 | 浙江沙星医药化工有限公司 | 一种手性药物左乙拉西坦中间体l-2-氨基丁酰胺盐酸盐的合成方法 |
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GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of levetiracetam Effective date of registration: 20210630 Granted publication date: 20131113 Pledgee: Zhejiang Taizhou Jiaojiang Rural Commercial Bank Co.,Ltd. Zhang'an sub branch Pledgor: ZHEJIANG JIANGBEI PHARMACEUTICAL Co.,Ltd. Registration number: Y2021330000757 |
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Date of cancellation: 20221213 Granted publication date: 20131113 Pledgee: Zhejiang Taizhou Jiaojiang Rural Commercial Bank Co.,Ltd. Zhang'an sub branch Pledgor: ZHEJIANG JIANGBEI PHARMACEUTICAL Co.,Ltd. Registration number: Y2021330000757 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of levetiracetam Effective date of registration: 20230103 Granted publication date: 20131113 Pledgee: Zhejiang Taizhou Jiaojiang Rural Commercial Bank Co.,Ltd. Zhang'an sub branch Pledgor: ZHEJIANG JIANGBEI PHARMACEUTICAL Co.,Ltd. Registration number: Y2023330000016 |