A compound having the formula [I]:
wherein R¹ is a hydrogen atom or a lower alkyl group, R² is a lower alkyl group, R³ and R⁴ are the same or different each other and each is a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group or a lower alkoxy group, X is an oxygen atom, a sulfur atom or a methylene group, and Ar is a pyrimidine-4-yl group, a pyridine-2-yl group, a pyrazine-2-yl group or a pyridazine-3-yl group each of which may be substituted by one or two substituents selected from the group consisting of a halogen atom, a lower alkyl group, a lower alkoxy group and a nitro group, or a pyrimidine-2-yl group which is substituted by one or two substituents selected from the group consisting of a halogen atom, a lower alkyl group and a lower alkoxy group, a process for preparing the same and agricultural and/or horticultural fungicides containing the same as an active ingredient. According to the present invention, the excellent agricultural and/or horticultural fungicides can be provided.
具有式 [I] 的化合物:
其中,R¹是氢原子或低级烷基,R²是低级烷基,R³和R⁴彼此相同或不同,并且各自是氢原子、卤素原子、低级烷基、低级卤代烷基或低级烷氧基,X是氧原子、
硫原子或亚甲基,Ar是
嘧啶-4-基、
吡啶-2-基、
吡嗪-2-基或亚甲基、X是氧原子、
硫原子或亚甲基,Ar是
嘧啶-4-基、
吡啶-2-基、
吡嗪-2-基或
哒嗪-3-基,每个基团可被一个或两个取代基取代,取代基可选自由卤素原子、低级烷基、低级卤代烷基或低级烷氧基组成的组、一个低级烷基、一个低级烷氧基和一个硝基,或一个被一个或两个从卤素原子、一个低级烷基和一个低级烷氧基组成的组中选出的取代基取代的
嘧啶-2-基,制备上述物质的工艺,以及含有上述物质作为活性成分的农业和/或园艺杀菌剂。根据本发明,可以提供优异的农业和/或园艺杀菌剂。