CN103304464B - 一种制备左乙拉西坦的方法 - Google Patents
一种制备左乙拉西坦的方法 Download PDFInfo
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- CN103304464B CN103304464B CN201310169786.5A CN201310169786A CN103304464B CN 103304464 B CN103304464 B CN 103304464B CN 201310169786 A CN201310169786 A CN 201310169786A CN 103304464 B CN103304464 B CN 103304464B
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- cooled
- potassium hydroxide
- levetiracetam
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- 229960004002 levetiracetam Drugs 0.000 title claims abstract description 21
- HPHUVLMMVZITSG-ZCFIWIBFSA-N levetiracetam Chemical compound CC[C@H](C(N)=O)N1CCCC1=O HPHUVLMMVZITSG-ZCFIWIBFSA-N 0.000 title claims abstract 5
- 238000002360 preparation method Methods 0.000 title abstract description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 76
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 35
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- CDIIZULDSLKBKV-UHFFFAOYSA-N 4-chlorobutanoyl chloride Chemical compound ClCCCC(Cl)=O CDIIZULDSLKBKV-UHFFFAOYSA-N 0.000 claims abstract description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 28
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- HDBMIDJFXOYCGK-DFWYDOINSA-N (2s)-2-aminobutanamide;hydrochloride Chemical compound Cl.CC[C@H](N)C(N)=O HDBMIDJFXOYCGK-DFWYDOINSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000012044 organic layer Substances 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 13
- 238000010979 pH adjustment Methods 0.000 abstract 1
- HPHUVLMMVZITSG-LURJTMIESA-N levetiracetam Chemical compound CC[C@@H](C(N)=O)N1CCCC1=O HPHUVLMMVZITSG-LURJTMIESA-N 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000012535 impurity Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 230000003311 flocculating effect Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 0 C*(C)(C*(C)=O)Cl Chemical compound C*(C)(C*(C)=O)Cl 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- YTJSFYQNRXLOIC-UHFFFAOYSA-N octadecylsilane Chemical compound CCCCCCCCCCCCCCCCCC[SiH3] YTJSFYQNRXLOIC-UHFFFAOYSA-N 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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CN103304464A CN103304464A (zh) | 2013-09-18 |
CN103304464B true CN103304464B (zh) | 2014-06-11 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103922988A (zh) * | 2014-04-29 | 2014-07-16 | 苏州天马精细化学品股份有限公司 | 一种左乙拉西坦粗品的纯化方法 |
CN104860863B (zh) * | 2015-04-10 | 2017-06-20 | 惠州信立泰药业有限公司 | 左乙拉西坦和含其的药物组合物 |
CN108409592B (zh) * | 2018-05-16 | 2023-02-03 | 浙江华海药业股份有限公司 | 一种左乙拉西坦的杂质及其合成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1583721A (zh) * | 2003-08-20 | 2005-02-23 | 天津泰普药品科技发展有限公司 | (S)-α-乙基-2-氧代-1-吡咯烷乙酰胺的合成新工艺 |
CN1802352A (zh) * | 2003-02-03 | 2006-07-12 | 特瓦制药工业有限公司 | 制备左乙拉西坦的方法 |
CN101550100A (zh) * | 2009-04-21 | 2009-10-07 | 无锡盛福药业有限公司 | 一种制备左乙拉西坦的方法 |
CN101624362A (zh) * | 2009-07-28 | 2010-01-13 | 蚌埠丰原医药科技发展有限公司 | 一种左乙拉西坦的制备方法 |
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2013
- 2013-05-10 CN CN201310169786.5A patent/CN103304464B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1802352A (zh) * | 2003-02-03 | 2006-07-12 | 特瓦制药工业有限公司 | 制备左乙拉西坦的方法 |
CN1583721A (zh) * | 2003-08-20 | 2005-02-23 | 天津泰普药品科技发展有限公司 | (S)-α-乙基-2-氧代-1-吡咯烷乙酰胺的合成新工艺 |
CN101550100A (zh) * | 2009-04-21 | 2009-10-07 | 无锡盛福药业有限公司 | 一种制备左乙拉西坦的方法 |
CN101624362A (zh) * | 2009-07-28 | 2010-01-13 | 蚌埠丰原医药科技发展有限公司 | 一种左乙拉西坦的制备方法 |
Non-Patent Citations (1)
Title |
---|
罗湘冀.抗癫痫药物左乙拉西坦的合成工艺研究.《中国优秀硕士学位论文全文数据库(工程科技I辑)》.2010,第二章实验部分2.3.3左乙拉西坦的合成. * |
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Effective date of registration: 20240125 Address after: 610000 No. 1, 5th Floor, Building 229 Jingye Road, Qingyang District, Chengdu City, Sichuan Province Patentee after: SICHUAN LIANCHENGXUNKANG MEDICAL CO.,LTD. Country or region after: China Address before: B7-401, Tianfu Life Science and Technology Park, No. 88 Keyuan South Road, High tech Zone, Chengdu City, Sichuan Province, 610041 Patentee before: CHENGDU HEXUN PHARMACEUTICAL Co.,Ltd. Country or region before: China |
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