CN1861602A - 恩替卡韦的制备方法 - Google Patents
恩替卡韦的制备方法 Download PDFInfo
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- CN1861602A CN1861602A CN 200510025792 CN200510025792A CN1861602A CN 1861602 A CN1861602 A CN 1861602A CN 200510025792 CN200510025792 CN 200510025792 CN 200510025792 A CN200510025792 A CN 200510025792A CN 1861602 A CN1861602 A CN 1861602A
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CNB2005100257929A CN100379736C (zh) | 2005-05-13 | 2005-05-13 | 恩替卡韦的制备方法 |
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CNB2005100257929A CN100379736C (zh) | 2005-05-13 | 2005-05-13 | 恩替卡韦的制备方法 |
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CN1861602A true CN1861602A (zh) | 2006-11-15 |
CN100379736C CN100379736C (zh) | 2008-04-09 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100210669A1 (en) * | 2007-02-14 | 2010-08-19 | Weidong Ye | Crystalline form of entecavir, its preparation and the pharmaceutical composition and uses thereof |
CN101074217B (zh) * | 2007-04-04 | 2010-11-24 | 北京精华耀邦医药科技有限公司 | 通过制备色谱分离得到高纯度恩替卡韦关键中间体的方法 |
CN102229608A (zh) * | 2011-08-10 | 2011-11-02 | 上海清松制药有限公司 | 一种改进的制备恩替卡韦的方法 |
CN101693713B (zh) * | 2009-10-28 | 2011-11-09 | 福建广生堂药业有限公司 | 一种恩替卡韦的晶型及其制备方法和药物应用 |
WO2012006964A1 (zh) | 2010-07-15 | 2012-01-19 | 台州市奥翔医药科技有限公司 | 恩替卡韦的合成方法及其中间体化合物 |
CN102417506A (zh) * | 2010-09-27 | 2012-04-18 | 杭州赛利药物研究所有限公司 | 一种抗病毒药物恩替卡韦的制备方法 |
WO2012085209A1 (en) | 2010-12-23 | 2012-06-28 | Esteve Química, S.A. | Preparation process of an antiviral drug (entecavir) and intermediates thereof |
CN102924454A (zh) * | 2012-11-13 | 2013-02-13 | 苏州市玮琪生物科技有限公司 | 恩替卡韦的合成方法 |
EP2597096A1 (en) | 2011-11-24 | 2013-05-29 | Esteve Química, S.A. | Process for preparing entecavir and intermediates thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011046303A2 (en) | 2009-10-12 | 2011-04-21 | Hanmi Holdings Co., Ltd. | Novel method for preparing entecavir and intermediate used therein |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5206244A (en) * | 1990-10-18 | 1993-04-27 | E. R. Squibb & Sons, Inc. | Hydroxymethyl (methylenecyclopentyl) purines and pyrimidines |
AU4090697A (en) * | 1996-09-03 | 1998-03-26 | Bristol-Myers Squibb Company | Improved process for preparing the antiviral agent {1s-(1alpha, 3alpha, 4beta)}-2-amino-1,9-dihydro-9-{4-hydroxy-3-(hydroxymethyl)-2 -methylenecyclopentyl}-6h-purin-6-one |
IN2012DN00606A (zh) * | 2002-12-11 | 2015-06-12 | Bristol Mayers Squibb Company |
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2005
- 2005-05-13 CN CNB2005100257929A patent/CN100379736C/zh active Active
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8937076B2 (en) * | 2007-02-14 | 2015-01-20 | Zhejiang Medicine Co., Ltd. Xinchang Pharaceutical Factory | Crystalline form of entecavir, its preparation and the pharmaceutical composition and uses thereof |
US20100210669A1 (en) * | 2007-02-14 | 2010-08-19 | Weidong Ye | Crystalline form of entecavir, its preparation and the pharmaceutical composition and uses thereof |
CN101074217B (zh) * | 2007-04-04 | 2010-11-24 | 北京精华耀邦医药科技有限公司 | 通过制备色谱分离得到高纯度恩替卡韦关键中间体的方法 |
CN101693713B (zh) * | 2009-10-28 | 2011-11-09 | 福建广生堂药业有限公司 | 一种恩替卡韦的晶型及其制备方法和药物应用 |
EP3483161A1 (en) | 2010-07-15 | 2019-05-15 | Zhejiang Ausun Pharmaceutical Co., Ltd. | Intermediates used to make entecavir |
WO2012006964A1 (zh) | 2010-07-15 | 2012-01-19 | 台州市奥翔医药科技有限公司 | 恩替卡韦的合成方法及其中间体化合物 |
CN102417506A (zh) * | 2010-09-27 | 2012-04-18 | 杭州赛利药物研究所有限公司 | 一种抗病毒药物恩替卡韦的制备方法 |
WO2012085209A1 (en) | 2010-12-23 | 2012-06-28 | Esteve Química, S.A. | Preparation process of an antiviral drug (entecavir) and intermediates thereof |
EP2474548A1 (en) | 2010-12-23 | 2012-07-11 | Esteve Química, S.A. | Preparation process of an antiviral drug and intermediates thereof |
CN102229608B (zh) * | 2011-08-10 | 2013-02-27 | 上海清松制药有限公司 | 一种改进的制备恩替卡韦一水合物的方法 |
CN102229608A (zh) * | 2011-08-10 | 2011-11-02 | 上海清松制药有限公司 | 一种改进的制备恩替卡韦的方法 |
EP2597096A1 (en) | 2011-11-24 | 2013-05-29 | Esteve Química, S.A. | Process for preparing entecavir and intermediates thereof |
WO2013076236A1 (en) | 2011-11-24 | 2013-05-30 | Esteve Química, S.A. | Process for preparing an antiviral drug and intermediates thereof |
CN102924454A (zh) * | 2012-11-13 | 2013-02-13 | 苏州市玮琪生物科技有限公司 | 恩替卡韦的合成方法 |
CN102924454B (zh) * | 2012-11-13 | 2015-07-22 | 苏州市玮琪生物科技有限公司 | 恩替卡韦的合成方法 |
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Publication number | Publication date |
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CN100379736C (zh) | 2008-04-09 |
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Owner name: SHANGHAI QINGSONG PHARMACEUTICAL CO., LTD. Free format text: FORMER OWNER: SHANGHAI ZHONGXIA CHEMISTRY CO., LTD. Effective date: 20110817 |
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Denomination of invention: Method for preparing entecavir Effective date of registration: 20130508 Granted publication date: 20080409 Pledgee: China Minsheng Banking Corp Shanghai branch Pledgor: Shanghai Qingsong Pharmaceutical Co., Ltd. Registration number: 2013310000021 |
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Date of cancellation: 20141115 Granted publication date: 20080409 Pledgee: China Minsheng Banking Corp Shanghai branch Pledgor: Shanghai Qingsong Pharmaceutical Co., Ltd. Registration number: 2013310000021 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for preparing entecavir Effective date of registration: 20141126 Granted publication date: 20080409 Pledgee: China Merchants Bank, Limited by Share Ltd, Shanghai new railway station sub branch Pledgor: Shanghai Qingsong Pharmaceutical Co., Ltd. Registration number: 2014310000082 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160415 Granted publication date: 20080409 Pledgee: China Merchants Bank, Limited by Share Ltd, Shanghai new railway station sub branch Pledgor: Shanghai Qingsong Pharmaceutical Co., Ltd. Registration number: 2014310000082 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for preparing entecavir Effective date of registration: 20160512 Granted publication date: 20080409 Pledgee: China Minsheng Banking Corp Shanghai branch Pledgor: Shanghai Qingsong Pharmaceutical Co., Ltd. Registration number: 2015990000388 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |