Patent ID: 8106079

Claim:
A compound having the formula (III) shown below wherein R 2 represents a hydrogen atom, a C 1 -C 6 alkyl group which is unsubstituted or substituted with from 1 to 5 substituents from a Substituent group α, a C 3 -C 6 cycloalkyl group which is unsubstituted or substituted with from 1 to 5 substituents selected from the group consisting of the Substituent group α, a C 1 -C 6 alkyl group and a halomethyl group, a phenyl group which is unsubstituted or substituted with from 1 to 5 substituents selected from the group consisting of the Substituent group α, a C 1 -C 6 alkyl group and a halomethyl group, or a 5- or 6-membered heterocyclic group which is unsubstituted or substituted with from 1 to 5 substituents selected from the group consisting of the Substituent group α, a C 1 -C 6 alkyl group and a halomethyl group, said heterocyclic group contains from 1 to 4 heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, and X represents an oxygen atom, a sulfur atom or a nitrogen atom, said nitrogen atom is unsubstituted or substituted with one or more substituents selected from the group consisting of a hydrogen atom, a C 1 -C 6 alkyl group, a C 1 -C 6 alkylcarbonyl group, a C 6 -C 10 arylcarbonyl group, a C 1 -C 6 alkylsulfonyl group and a C 6 -C 10 arylsulfonyl group, the Substituent group α represents a C 3 -C 6 cycloalkyl group, a C 2 -C 6 alkenyl group, a C 2 -C 6 alkynyl group, a C 6 -C 10 aryl group, a carboxyl group, a formyl group, a C 1 -C 6 alkylcarbonyl group, a C 6 -C 10 arylcarbonyl group, a C 1 -C 6 alkyloxycarbonyl group, a C 6 -C 10 aryloxycarbonyl group, a carbamoyl group, an N-C 1 -C 6 alkylcarbamoyl group, an N,N-di(C 1 -C 6 alkyl)carbamoyl group, a hydroxyl group, a C 1 -C 6 alkoxy group, a C 6 -C 10 aryloxy group, a C 1 -C 6 alkylcarbonyloxy group, a C 6 -C 10 arylcarbonyloxy group, an amino group, a C 1 -C 6 alkylamino group, a di (C 1 -C 6 alkyl)amino group, a C 6 -C 10 arylamino group, a di (C 6 -C 10 aryl)amino group, a mercapto group, a C 1 -C 6 alkylthio group, a C 6 -C 10 arylthio group, a C 1 -C 6 alkylsulfinyl group, a C 6 -C 10 arylsulfinyl group, a C 1 -C 6 alkylsulfonyl group, a C 6 -C 10 arylsulfonyl group, a sulfonic acid group, a halogen atom, a nitro group, and a cyano group.