Patent 7378439 was granted and assigned to USV on May, 2008 by the United States Patent and Trademark Office.
The present invention discloses a novel process and novel intermediates for the Preparation of 4-[2-(di-n-propyl amino) ethyl]-1,3-dihydro-2H-indol-2-one, commonly known as Ropinirole (I) and pharmaceutical composition comprising the same. Further the present invention also discloses a method of treatment for cardiovascular disorders and Parkinson's disease.