申请人:Chidambaram Venkateswaran Srinivasan
公开号:US20110172455A1
公开(公告)日:2011-07-14
The resent invention rovides a novel rocess for re arin cinacalcet of formula I and pharmaceutically acceptable salts thereof and process of purification. The present invention also provides novel nitrogen protected synthetic intermediates useful in the process of the present invention. Further, the present invention provides a novel substituted carbamate impurity and process of preparation thereof.
这项最新发明提供了一种新颖的过程,用于合成公式I的西那卡塞特及其药用盐,并提供了纯化过程。该发明还提供了在本发明过程中有用的新型氮保护合成中间体。此外,该发明提供了一种新型的取代碳酸酯杂质及其制备过程。