| abstract |
(57) [Summary] (Modified) [Objective] To provide a novel 4-cyanophenylimino heterocycle. [Structure] 4 represented by general formula (IA), general formula (IB), etc. -Cyanophenyliminoheterocycles, a process for their preparation, and their use as herbicides and novel intermediates for their synthesis. [In the formula, A represents alkanediyl or alkenediyl; R 1 represents hydrogen or halogen; R 2 is halogen, cyano, hydroxy, amino, group —X—R 3 , group — N (R 4 ) -CO-R 5 , group -N (R 4 ) -SO 2 R 5 X represents O, S or a single bond; R 3 represents alkyl, cycloalkyl, aryl, heterocycle, etc .; R 4 represents hydrogen or alkyl; R 5 represents alkyl, cycloalkyl, aryl, etc. Represent] |