Patent ID: 9357776
Filing Date: 2016-06-07
CPC Classification: A01N,C07D

Claim Text:
1. A method for producing a compound represented by the following formula (I): [where Ar represents a phenyl group which may be substituted with one or more of halogen atom, an alkyl group or haloalkyl group, or a 5-to 6-membered heterocycle which may be substituted with one or more of a halogen atom, an alkyl group or haloalkyl group, R 1 represents a C 1-6 alkyl group which is substituted with one or more of a halogen atom, and Y represents a hydrogen atom; a halogen atom; a hydroxyl group; a C 1-6 alkyl group which may be substituted with a halogen atom; a C 1-6 alkyloxy group which may be substituted with a halogen atom; a cyano group; a formyl group; or a nitro group], the method comprising, as shown in the following reaction formula: the steps of: acylating an amino group at position 2 of a compound represented by formula (A) (Y has the same meaning as that described above) by use of an acylating agent represented by R further alkylating a nitrogen atom at position 1 of the compound represented by formula (B) by use of Ar—CH wherein the acylation is carried out in the absence of a base.