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:
Feb. 27, 2018
Filed:
Jun. 27, 2014
Applicant:
Agro-kanesho Co., Ltd., Minato-ku, JP;
Inventors:
Ryo Aizawa, Tokorozawa, JP;
Koichi Araki, Ushiku, JP;
Assignee:
AGRO-KANESHO CO., LTD., Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/803 (2006.01);
U.S. Cl.
CPC ...
C07D 213/803 (2013.01);
Abstract
The present invention provides a method for producing 2-amino-6-methylnicotinic acid represented by formula [I], wherein the production method comprises: (a) reacting 2-chloro-3-cyano-6-methylpyridine represented by formula [II] in an ammonia aqueous solution to obtain a reaction solution containing 2-amino-6-methylnicotinamide represented by formula [III]; and (b) removing the ammonia from the reaction solution, then reacting the 2-amino-6-methylnicotinamide represented by formula [III]with a base to produce 2-amino-6-methylnicotinic acid represented by formula [I].