PREGABALIN FREE OF LACTAM AND A PROCESS FOR PREPARATION THEREOF

摘要

The present invention encompasses Pregabalin substantially free of Lactam and a process for obtaining Pregabalin substantially free of Lactam comprising extracting an acidic mixture containing a complex of Pregabalin with a strong mineral acid, with a C<SUB>3-8 </SUB>alcohol; and combining the organic phase with an organic base.