申请人:NIHON BAYER AGROCHEM K.K.
公开号:EP0565951A1
公开(公告)日:1993-10-20
Novel pyrimidinylthioalkane derivatives of the formula (I)
wherein
R¹represents C₁-C₄-alkyl, C₁-C₄-alkoxy, halogen, C₁-C₄-halogenalkyl, C₁-C₄-halogenalkoxy,
R²represents C₁-C₄-alkyl, C₁-C₄-alkoxy, halogen, C₁-C₄-halogenalkoxy, C₁-C₄-halogenalkyl,
R³represents optionally substituted straight chain or branched C₁-C₃₀-alkyl, suitable substituents are C₃-C₈-cycloalkyl, halogen, naphthyl or optionally substituted phenyl, optionally substituted phenyl, suitable substituents are halogen, C₁-C₄-alkyl, C₁-C₄-halogenalkyl, nitro or cyano, naphthyl or C₃-C₈-cycloalkyl,
Arepresents hydroxy,
Brepresents hydrogen or
A and Btogether form a carbonyl with the carbon atom to which they are bonded,
a process for their preparation and their use as herbicides.
式 (I) 的新型
嘧啶硫代
烷烃衍
生物
其中
R¹ 代表 C₁-C₄-烷基、C₁-C₄-烷氧基、卤素、C₁-C₄-卤代烷基、C₁-C₄-卤代烷氧基、
R² 代表 C₁-C₄-烷基、C₁-C₄-烷氧基、卤素、C₁-C₄-卤代烷氧基、C₁-C₄-卤代烷基、
R³ 代表任选取代的直链或支链 C₁-C₃₀ 烷基,合适的取代基为 C₃-C₈ 环烷基、卤素、
萘基或任选取代的苯基、C₁-C₄-烷基、C₁-C₄-卤代烷基、硝基或
氰基、
萘基或 C₃-C₈-环烷基、
代表羟基、
代表氢,或
A 和 B 与它们所结合的碳原子一起形成一个羰基、
它们的制备方法及其作为
除草剂的用途。