申请人:TOKUYAMA CORPORATION
公开号:EP0506373A2
公开(公告)日:1992-09-30
A cyanoketone derivative (I), and a herbicide containing it as an active component.
wherein A₁ is a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group, each of X₁, X₂ and X₃ is independently an oxygen or sulfur atom, each of B₁, B₂ and B₃ is independently a hydrogen atom or alkyl, each of Y₁, Y₂, Y₃ and Y₄ is independently a hydrogen atom, a halogen atom or alkyl, and A₂ is substituted or unsubstituted alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkoxycarbonyl, substituted or unsubstituted benzoyl, cyano, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group, provided that when B₁ is a hydrogen atom and B₂ is alkyl, the compound of the formula (1) is any one of two enantiomers with regard to asymmetric carbon to which B₁and B₂ are bonded, or a mixture of these in an arbitrary proportion.
一种氰酮衍生物(I),以及一种以其为活性成分的除草剂。
其中 A₁ 是取代或未取代的芳香基团或取代或未取代的杂环基团,X₁、X₂ 和 X₃ 中的每一个独立地是氧原子或硫原子,B₁、B₂ 和 B₃ 中的每一个独立地是氢原子或烷基,Y₃ 中的每一个独立地是烷基、各自独立地为氢原子或烷基,Y₁、Y₂、Y₃ 和 Y₄ 各自独立地为氢原子、卤素原子或烷基,A₂ 为取代或未取代的烷基、烯基、炔基、烷氧基、烷硫基、烷基硫代、烷氧基、烷基硫代、烷氧基、烷基硫代、烷基硫代、烷基硫代、烷基硫代、烷基硫代、烷基硫代、烷基硫代烷氧基、烷硫基、烷氧羰基、取代或未取代的苯甲酰基、氰基、取代或未取代的芳香基团或取代或未取代的杂环基团、但当 B₁ 为氢原子、B₂ 为烷基时,式(1)化合物为 B₁ 和 B₂ 所结合的不对称碳的两种对映体中的任意一种,或任意比例的混合物。