Patent ID: 8822724

Claim:
A method for producing a carboxamide, the method comprising allowing a carboxylic acid ester, an amine, and a formamide compound corresponding to the amine to react in the presence of a metal alkoxide, wherein the carboxamide is represented by formula (4): wherein R 1 and R 3 are as defined below, the method comprising a step of allowing a carboxylic acid ester represented by formula (1): wherein R 1 represents an optionally substituted C 1 -C 20 hydrocarbon group or an optionally substituted C 3 -C 20 heterocyclic group, and R 2 represents an optionally substituted C 1 -C 20 hydrocarbon group, an amine represented by formula (2): R 3 —NH 2 (2) wherein R 3 represents a hydrogen atom or an optionally substituted C 1 -C 20 hydrocarbon group, and a formamide compound represented by formula (3): wherein R 3 is as defined above.