The imidazo[1,2-a]pyrimidines given by the following formula [I]:
[wherein R1 and R2 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 R1 and R2 represent a 3-8 membered heterocyclic group together with the nitrogen atom bonded with R1 and R2; R3 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.
下式[I]给出的
咪唑并[1,2-a]
嘧啶:
[其中 R1 和 R2 代表 C1-C6 烷基,可选择被一个或多个 C1-C4 烷氧基、C2-C8 二烷基
氨基、C1-C4 烷
硫基、C2-C5 烷氧羰基、
氰基和卤素原子组成的组取代;或 R1 和 R2 代表 3-8 位杂环基团以及与 R1 和 R2 键合的氮原子;R3 代表卤素原子或 C1-C4 烷基;Ar 代表可选择被一个或多个卤素原子取代的苯基;以及类似物]。
具有防治植物病害的优异活性。