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:
Sep. 02, 2014
Filed:
Jul. 13, 2011
Junichi Tomokawa, Itami, JP;
Takahiro Kimura, Ibaraki, JP;
Norihiko Hirata, Suita, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
A carboxamide can be produced in a high yield by a method for producing a carboxamide, for example, represented by formula (4): (wherein Rand Rare as defined below), the method comprising a step of allowing a carboxylic acid ester represented by formula (1): (wherein Rrepresents an optionally substituented C-Chydrocarbon group or an optionally substituented C-Cheterocyclic group, and Rrepresents an optionally substituented C-Chydrocarbon group), an amine represented by formula (2):R—NH  (2)(wherein Rrepresents a hydrogen atom or an optionally substituented C-Chydrocarbon group), and a formamide compound represented by formula (3): (wherein Ris as defined above) to react in the presence of a metal alkoxide.