Abstract: The present invention relates to processes for the preparation of bosentan and compounds that can be used as structurally novel intermediates for the synthesis thereof, and a pharmaceutical composition of the same.
Type:
Application
Filed:
March 16, 2010
Publication date:
October 7, 2010
Applicant:
Glenmark
Inventors:
Roop Singh Yadav, Mubeen Ahmed Khan, Sachin Mahadeo Lad, Nikhil Rasiklal Trivedi, Sankar Arjunan, Gajendra Laxman Pitale
Abstract: The present invention generally relates to an amorphous form of varenicline and its pharmaceutically acceptable salts thereof. More particularly the present invention relates to amorphous forms of varenicline and its L-tartrate salt; a process for their preparation and pharmaceutical compositions comprising the same.