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公开(公告)号:US20050272802A1
公开(公告)日:2005-12-08
申请号:US11111373
申请日:2005-04-21
申请人: Sundaram Venkataraman , Srinivasulu Gudipati , Brahmeshwararao Mandava Venkata Naga , Goverdhan Banda , Radhakrishna Singamsetty
发明人: Sundaram Venkataraman , Srinivasulu Gudipati , Brahmeshwararao Mandava Venkata Naga , Goverdhan Banda , Radhakrishna Singamsetty
IPC分类号: A61K31/405 , C07D209/14
CPC分类号: C07D209/14
摘要: A process for preparing Form I of tegaserod maleate comprises the steps of: (i) dissolving tegaserod in a solvent; (ii) optionally, subjecting the solution to activated carbon treatment; (iii) adding maleic acid solution to the tegaserod solution; and (iv) isolating crystalline Form I of tegaserod maleate.
摘要翻译: 制备替加色罗马来酸盐的形式I的方法包括以下步骤:(i)将替加色罗溶于溶剂中; (ii)任选地,使溶液进行活性炭处理; (iii)向替加色罗溶液中加入马来酸溶液; 和(iv)分离马来酸替加色罗的晶型I.