Novel pyrimidin-4-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is hydrogen or alkyl; R2 is alkyl optionally substituted with halogen; R3 is alkyl optionally substituted with halogen, alkenyl, or alkynyl; and Q is substituted phenyl. Also provided are intermediates for their production and processes for producing these intermediates.
提供了式子[1]的新型
嘧啶-4-酮衍
生物,其作为
除草剂的活性成分是有用的,其中R1是氢或烷基;R2是烷基,可选地被卤素取代;R3是烷基,可选地被卤素、烯基或炔基取代;而Q是取代苯基。还提供了它们的中间体以及生产这些中间体的过程。