Novel polymorphic forms of Perindopril (L)-Arginine and process for the preparation thereof

摘要

The present invention relates to novel and stable polymorphic forms of Perindopril (L)-Arginine designated as Form ³ and amorphous form and processes for their preparation. The present invention also provides the novel polymorph Form ³ with greater stability to heat and humidity and can be prepared on large scale by an efficient, economic and reproducible process.