Cadila Healthcare Limited

Parind Narendra Dholakia

Mayank Ghanshyambhai Dave

Braj Bhushan Lohray

Vidya Bhushan Lohray

Bipin Pandey

Pankaj Ramanbhai Patel

The invention provides improved processes for the preparation of hydrated form of (S)-(+)-Clopidogrel bisulfate as well as improved processes for the preparation of form-I and form-II of (S)-(+)-Clopidogrel bisulfate.

Processes for preparing different forms of (S)-(+)-Clopidogrel bisulfate

Disclosed herein are the improved processes for the preparation of different forms of (S)-(+)-Clopidogrel besylate, pharmaceutical compositions containing them and their use in medicine.

Processes for the preparation of different forms of (S)-(+)-clopidogrel besylate

Processes for the preparation of Methyl (+)-(S)-(2-chlorophenyl)-(6,7dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetate [Clopidogrel base, (I)] and their various pharmaceutically acceptable salts.

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Ahmedabad, India

Parind Narendra Dholakia