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:
Nov. 14, 1989
Filed:
Jul. 01, 1988
Applicant:
Inventors:
Peter B Anzeveno, Zionsville, IN (US);
John K Daniel, Indianapolis, IN (US);
Laura J Creemer, Indianapolis, IN (US);
Paul S Liu, Cincinnati, OH (US);
Assignee:
Merrell Dow Pharmaceuticals Inc., Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 174 ; 536 179 ;
Abstract
A procedure for the mild conversion of a carbonitrile to the corresponding carboxylic acid by first using trifluoroacetic acid in the presence of a catalytic amount of mercuric ion followed by oxidative hydrolysis with dinitrogen tetroxide is described herein. The use of this procedure in the preparation of 1,3,4,5-tetra-O-benzoyl-2,6-dideoxy-2,6-imino-D-glycero-L-gulo-heptitol hydrochloride is also described here.