Patent ID: 7211545
Filing Date: 2007-05-01
Classification: A01N,C07D

Abstract:
1. An imidazo[1,2-a]pyrimidine given by the following formula [I]: [wherein R 1 represents a hydrogen atom; C1–C6 alkyl group optionally substituted by one or more selected from the group consisting of C1–C4 alkoxy group, C2–C8 dialkylamino group, C1–C4 alkylthio group, C2–C5 alkoxycarbonyl group, cyano group and halogen atoms; C3–C6 alkenyl group optionally substituted by a halogen atom or atoms; C3–C6 alkynyl group optionally substituted by a halogen atom or atoms; C3–C8 cycloalkyl group optionally substituted by one or more selected from the group consisting of C1–C4 alkyl group and halogen atoms; phenyl group or phenyl C1–C2 alkyl group optionally substituted by one or more selected from the group consisting of C1–C4 alkyl group, C1–C4 alkoxy group, C1–C4 alkylthio group, C1–C3 haloalkyl group, C1–C3 haloalkoxy group, halogen atoms, nitro group, cyano group and C2–C5 alkoxycarbonyl group on the benzene ring; 5 or 6 membered heterocyclic group optionally substituted by one or more selected from the group consisting of C1–C4 alkyl group, C1–C4 alkoxy group, C1–C4 alkylthio group, C1–C3 haloalkyl group, halogen atoms, nitro group, cyano group and C2–C5 alkoxycarbonyl group; R 2 represents a hydrogen atom; C1–C6 alkyl group optionally substituted by one or more selected from the group consisting of C1–C4 alkoxy group, C2–C8 dialkylamino group, C1–C4 alkylthio group, C2–C5 alkoxycarbonyl group, cyano group and halogen atoms; C3–C6 alkenyl group optionally substituted by a halogen atom or atoms; C3–C6 alkynyl group optionally substituted by a halogen atom or atoms; C3–C8 cycloalkyl group optionally substituted by one or more selected from the group consisting of C1–C4 alkyl group and halogen atoms; phenyl group or phenyl C1–C2 alkyl group optionally substituted by one or more selected from the group consisting of C1–C4 alkyl group, C1–C4 alkoxy group, C1–C4 alkylthio group, C1–C3 haloalkyl group, C1–C3 haloalkoxy group, halogen atoms, nitro group, cyano group and C2–C5 alkoxycarbonyl group on the benzene ring; 5 or 6 membered heterocyclic group optionally substituted by one or more selected from the group consisting of C1–C4 alkyl group, C1–C4 alkoxy group, C1–C4 alkylthio group, C1–C3 haloalkyl group, halogen atoms, nitro group, cyano group and C2–C5 alkoxycarbonyl group; amino group optionally substituted by one or more selected from the group consisting of C1–C6 alkyl group, phenly group and benzyl group (said phenly group and benzyl group may be substituted by one or more selected from the group consisting of C1–C4 alkyl group, C1–C3 haloalkyl group and halogen atoms on the benzene ring); C1–C4 alkoxy group; phenoxy group; benzyloxy group; or R 1 and R 2 together with the nitrogen atom bonded with R 1 and R 2 represent 3–8 membered heterocyclic group (said heterocyclic group may be substituted by C1–C4 alkylene group or C2–C4 alkenylene group to represent polycyclic heterocyclic group, and substituted by one or more selected from the group consisting of C1–C4 alkyl group, C1–C4 alkoxy group, C1–C4 alkylthio group, C1–C3 haloalkyl group, C1–C4 acyl group, halogen atoms, hydroxy group, nitro group, cyano group and C2–C5 alkoxycarbonyl group); R 3 represents a halogen atom or C1–C4 alkyl group; Ar represents a phenyl group optionally substituted by one or more selected from the group consisting of halogen atoms, C1–C4 alkyl group, C1–C4 alkoxy group and C1–C3 haloalkyl group].