S-LENALIDOMIDE, POLYMORPHIC FORMS THEREOF AND BLEND COMPRISING S- UND R-LENALIDOMIDE

摘要

The invention concerns a process for producing S-lenalidomide and polymorphic Forms A and B of S-lenalidomide obtainable by said process. Additionally, the present invention concerns a blend comprising S- lenalidomide and R-lenalidomide. Furthermore, the present invention relates to oral dosage forms comprising polymorphic Forms A and B of S-lenalidomide or a blend comprising S-lenalidomide and R-lenalidomide.