NEW AMINE SALTS OF ATORVASTATIN ACID, PROCESS THEREOF AND ITS USE FOR THE PREPARATION OF HIGHLY PURE AMORPHOUS AND CRYSTALLINE ATORVASTATIN HEMI CALCIUM SALT (2:1)

摘要

New amine salts of Atorvastatin, process for their preparation and their use in the preparation of highly pure i.e. almost impurity free amorphous as well as crystalline Atorvastatin hemi calcium salt in high yields.