VLP Law Group LLP
Processes for the preparation of 3-(pyrrol-2-yl)methylene)-2-pyrrolones using 2-silyloxy-pyrroles
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.
Scinopharm Taiwan, Ltd.
A A C
A61P A61P C07D
inventional inventional inventional
Yung-Fa Julian P.
Chen Henschke