[EN] PROCESS FOR PREPARATION OF LIFITEGRAST<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LIFITEGRAST
申请人:GLENMARK PHARMACEUTICALS LTD
公开号:WO2019053607A1
公开(公告)日:2019-03-21
The present invention relates to a process for the preparation of lifitegrast, a compound of formula I, the process comprising deprotecting a compound of formula III using a Lewis acid. The present invention also relates to lifitegrast organic amine salt, a compound of formula II, process for its preparation and conversion thereof to lifitegrast.
本发明涉及一种制备lifitegrast的方法,lifitegrast为公式I的化合物,该方法包括使用Lewis酸去保护公式III的化合物。本发明还涉及lifitegrast有机胺盐,该化合物为公式II,其制备方法以及将其转化为lifitegrast的方法。