The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 2010
Filed:
Jul. 24, 2006
Rohit Ravikant Soni, Vadodara, IN;
Sanjay Lakhabhai Vasoya, Vadodara, IN;
Ravindra Charudatta Ghotikar, Vadodara, IN;
Anand Kumar Pandey, Vadodara, IN;
Hetal Remeshchandra Shah, Vadodara, IN;
Rohit Ravikant Soni, Vadodara, IN;
Sanjay Lakhabhai Vasoya, Vadodara, IN;
Ravindra Charudatta Ghotikar, Vadodara, IN;
Anand Kumar Pandey, Vadodara, IN;
Hetal Remeshchandra Shah, Vadodara, IN;
Alembic Limited, Gujarat, IN;
Abstract
The invention relates to novel compound of formula (IV), which is an organic acid salt of N-[(2'-cyanobiphenyl-4-yl)methyl]-(L)-valine ester. This compound is an useful intermediate for process of preparation of Valsartan of formula (I), chemically known as (S)—N-(1-Carboxy-2-methylprop-1-yl)-N-pentanoyl-N-[2′-(1H-tetrazol-5-yl)biphenyl-4-ylmethyl]amine. This invention also relates to a process for preparing Valsartan using novel intermediate of formula (IV).