[EN] PROCESSES FOR THE PREPARATION OF 3-(PYRROL-2-YL)METHYLENE)-2-PYRROLONES USING 2-SILYLOXY-PYRROLES [FR] PROCÉDÉS POUR LA PRÉPARATION DE 3-((PYRROL-2-YL)MÉTHYLÈNE)-2-PYRROLONES À L'AIDE DE 2-SILYLOXYPYRROLES
PROCESSES FOR THE PREPARATION OF 3-(PYRROL-2-YL)METHYLENE)-2-PYRROLONES USING 2-SILYLOXY-PYRROLES
申请人:Henscheke Julian P.
公开号:US20130190512A1
公开(公告)日:2013-07-25
The present invention provides for synthetic processes for the making of substituted 3-((pyrrol-2-yl)methylene)-2-pyrrolones, including sunitinib. The present invention also provides for a process of crystallizing substantially pure sunitinib L-malate.
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