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公开(公告)号:US20060199849A1
公开(公告)日:2006-09-07
申请号:US11364861
申请日:2006-02-27
IPC分类号: C07D211/82 , A61K31/44
CPC分类号: C07D211/90
摘要: The invention provides substantially pure lercanidipine free base, having a purity of at least 95%, preferably at least 97%, more preferably at least 99%, and still more preferably at least 99.5%. The lercanidipine free base of the present invention is formed as an amorphous solid that is easily handled and particularly well suited to the formulation of pharmaceutical compositions.
摘要翻译: 本发明提供基本上纯的氯卡地平碱,其纯度至少为95%,优选至少97%,更优选至少99%,还更优选至少99.5%。 本发明的氯卡地平游离碱形成为易于处理的非晶态固体,特别适用于药物组合物的制剂。
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公开(公告)号:US20060122272A1
公开(公告)日:2006-06-08
申请号:US11336846
申请日:2006-01-23
IPC分类号: A61K31/195
CPC分类号: A61K31/195 , A61K31/198
摘要: Stable compositions containing gabapentin compositions, methods of preparing such compositions, and methods of using such compositions.
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公开(公告)号:US20070249718A1
公开(公告)日:2007-10-25
申请号:US11774892
申请日:2007-07-09
IPC分类号: A61K31/195 , A61P25/16 , A61P25/28
CPC分类号: A61K31/195 , A61K31/198
摘要: Stable compositions containing gabapentin compositions, methods of preparing such compositions, and methods of using such compositions.
摘要翻译: 含有加巴喷丁组合物的稳定组合物,制备这种组合物的方法以及使用这些组合物的方法。
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公开(公告)号:US07199266B2
公开(公告)日:2007-04-03
申请号:US10399409
申请日:2001-10-15
IPC分类号: C07C229/00
CPC分类号: C07C227/04 , C07C227/40 , C07C2601/14 , C07C229/28
摘要: A process for the purification of gabapentin by treatment of a crude aqueous gabapentin hydrochloride solution with a strong cationic ion exchange resin.
摘要翻译: 通过用强阳离子交换树脂处理粗盐酸加巴喷丁盐酸盐溶液来纯化加巴喷丁的方法。
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公开(公告)号:US20080300307A1
公开(公告)日:2008-12-04
申请号:US12190090
申请日:2008-08-12
IPC分类号: A61K31/195 , A61P25/28 , A61P25/20 , A61P25/00
CPC分类号: A61K31/195 , A61K31/198
摘要: Stable compositions containing gabapentin compositions, methods of preparing such compositions, and methods of using such compositions.
摘要翻译: 含有加巴喷丁组合物的稳定组合物,制备这种组合物的方法以及使用这些组合物的方法。
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公开(公告)号:US07759517B2
公开(公告)日:2010-07-20
申请号:US11571192
申请日:2005-06-22
申请人: Marco Villa , Maurizio Paiocchi , Katiuscia Arrighi , Francesco Corcella , Vincenzo Cannata , Giorgio Soriato , Massimo Verzini
发明人: Marco Villa , Maurizio Paiocchi , Katiuscia Arrighi , Francesco Corcella , Vincenzo Cannata , Giorgio Soriato , Massimo Verzini
IPC分类号: C07C61/08
CPC分类号: C07C231/10 , C07D221/20 , C07C233/08
摘要: The present invention relates to a process for the preparation of gabapentin and, more in particular, to a method of synthesis of 1,1-cyclohexane acetic acid monoamide, an intermediate used in the preparation of gabapentin, comprising the basic hydrolysis reaction of α, -diaminocarbonyl-β,β-pentamethylene glutarimide.
摘要翻译: 本发明涉及一种制备加巴喷丁的方法,更具体地涉及合成1,1-环己烷乙酸单酰胺的方法,该方法是用于制备加巴喷丁的中间体,其包括α的碱性水解反应, - 二氨基羰基 - 和bgr-五亚甲基戊二酰亚胺。
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公开(公告)号:US07365227B2
公开(公告)日:2008-04-29
申请号:US11390451
申请日:2006-03-28
IPC分类号: C07C229/00
CPC分类号: C07C227/04 , C07C227/40 , C07C2601/14 , C07C229/28
摘要: A process for the purification of gabapentin by treatment of a crude aqueous gabapentin hydrochloride solution with a strong cationic ion exchange resin.
摘要翻译: 通过用强阳离子交换树脂处理粗盐酸加巴喷丁盐酸盐溶液来纯化加巴喷丁的方法。
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公开(公告)号:US20070043237A1
公开(公告)日:2007-02-22
申请号:US11390451
申请日:2006-03-28
IPC分类号: C07C229/28
CPC分类号: C07C227/04 , C07C227/40 , C07C2601/14 , C07C229/28
摘要: A process for the purification of gabapentin by treatment of a crude aqueous gabapentin hydrochloride solution with a strong cationic ion exchange resin.
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公开(公告)号:US20100160436A1
公开(公告)日:2010-06-24
申请号:US12714920
申请日:2010-03-01
IPC分类号: A61K31/195 , C07C225/20 , A61P25/28 , A61P25/16 , A61P25/08 , A61P25/22 , A61P25/00
CPC分类号: A61K31/195 , A61K31/198
摘要: Stable compositions containing gabapentin compositions, methods of preparing such compositions, and methods of using such compositions.
摘要翻译: 含有加巴喷丁组合物的稳定组合物,制备这种组合物的方法以及使用这些组合物的方法。
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公开(公告)号:US20080097122A1
公开(公告)日:2008-04-24
申请号:US11571192
申请日:2005-06-22
申请人: Marco Villa , Maurizio Paiocchi , Katiuscia Arrighi , Francesco Corcella , Vincenzo Cannata , Giorgio Soriato , Massimo Verzini
发明人: Marco Villa , Maurizio Paiocchi , Katiuscia Arrighi , Francesco Corcella , Vincenzo Cannata , Giorgio Soriato , Massimo Verzini
IPC分类号: C07C231/10
CPC分类号: C07C231/10 , C07D221/20 , C07C233/08
摘要: The present invention relates to a process for the preparation of gabapentin and, more in particular, to a method of synthesis of 1,1-cyclohexane acetic acid monoamide, an intermediate used in the preparation of gabapentin, comprising the basic hydrolysis reaction of α,−-diaminocarbonyl-β,β-pentamethylene glutarimide.
摘要翻译: 本发明涉及一种制备加巴喷丁的方法,更具体地涉及合成1,1-环己烷乙酸单酰胺的方法,该方法是用于制备加巴喷丁的中间体,其包括α, - 二氨基羰基-β,β-五亚甲基戊二酰亚胺。
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