申请人:Maddula Srinivasula Reddy
公开号:US20070293546A1
公开(公告)日:2007-12-20
The present invention relates to rosiglitazone and its pharmaceutically acceptable salts free of at least one of the process related impurities, in particular the dehydro and the succinic acid impurities of rosiglitazone, wherein said impurities are present in an amount of about 05 mg to not more than about 15 mg, and processes for their preparation.
本发明涉及罗格列酮及其药用可接受盐,不含至少一种与过程相关的杂质,特别是罗格列酮的脱氢和琥珀酸杂质,其中所述杂质的含量约为0.5毫克至不超过15毫克,并提供其制备方法。