Patents Assigned to Laboratories Bago, S.A. - Justia Patents Search

Patents Assigned to Laboratories Bago, S.A.

Process for the preparation of alkyl and aryl esters of 3'-substituted and 2', 3'-disubstituted 2-anilino-3-pyridinecarboxylic acids

Patent number: 4255581

Abstract: In this disclosure, the synthesis of alkyl and aryl esters of substituted 2-anilino-3-pyridinecarboxylic acids is described. This preparation is performed reacting a previously obtained alkyl or aryl ester of 2-chloro-3-pyridinecarboxylic acid, with 3,2 or 3-substituted aniline.

Type: Grant

Filed: August 13, 1979

Date of Patent: March 10, 1981

Assignee: Laboratories Bago, S.A.

Inventor: Mario A. Los