申请人:——
公开号:US20040235865A1
公开(公告)日:2004-11-25
The imidazo[1,2-a]pyrimidines given by the following formula [I]:
1
wherein R
1
and R
2
represent a 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; or R
1
and R
2
represent a 3-8 membered heterocyclic group together with the nitrogen atom bonded with R
1
and R
2
; R
3
represents a halogen atom or C1-C4 alkyl group; and Ar represents a phenyl group optionally substituted by a halogen atom or atoms; and the like] have excellent activity for controlling plant diseases.
以下式子所示的咪唑[1,2-a]嘧啶化合物 [I]:1具有出色的植物病害控制活性,其中:R1和R2代表C1-C6烷基,可选地被来自C1-C4烷氧基、C2-C8二烷基氨基、C1-C4烷硫基、C2-C5烷氧羰基、氰基和卤素原子的一个或多个选择性取代;或者R1和R2与与其相结合的氮原子共同构成3-8成员的杂环基团;R3代表卤素原子或C1-C4烷基;Ar代表苯基,可选地被一个或多个卤素原子取代;等等。