申请人:Laurus Labs Private Limited
公开号:US20150025252A1
公开(公告)日:2015-01-22
The present invention relates to an improved process for the preparation of Sunitinb. The process involves the activation of 5-((Z)-(5-fluoro-2-oxoindolin-3-ylidene) methyl)-2,4-dimethyl-1H-pyrrole-3carboxylic acid to corresponding suitable carboxylic acid activating group. The present invention also relates to novel acid addition salts of Sunitinb and preparation thereof.
本发明涉及一种改进的Sunitinb制备过程。该过程涉及将5-((Z)-(5-氟-2-氧代吲哚-3-基)甲基)-2,4-二甲基-1H-吡咯-3-羧酸激活为相应的适当羧酸活化基团。本发明还涉及Sunitinb的新型酸加盐及其制备方法。