申请人:Nihon Bayer Agrochem K.K.
公开号:US05296454A1
公开(公告)日:1994-03-22
The invention relates to novel acetanilides of the formula (I) ##STR1## wherein Ar represents phenyl, furyl or thienyl, R.sup.1 represents hydrogen, C.sub.1-5 -alkyl, C.sub.3-6 -cycloalkyl, C.sub.3-6 -cycloalkyl-methyl, C.sub.3-5 alkenyl, C.sub.3-5 -alkynyl, C.sub.1-3 -haloalkyl, C.sub.3-5 -epoxyalkyl, C.sub.1-3 -alkoxy-C.sub.1-4 -alkyl, C.sub.1-3 -alkylthio-C.sub.1-4 -alkyl, C.sub.1-3 -alkoxycarbonyl-C.sub.1-2 -alkyl, cyano-C.sub.1-3 -alkyl, or aralkyl R.sup.2 represents hydrogen or C.sub.1-3 -alkyl, R.sup.3 represents hydrogen or C.sub.1-3 -alkyl, X represents halogen, and Y represents iso-propyl, tert-butyl, C.sub.1-2 -haloalkyl, C.sub.1-2 -haloalkoxy, C.sub.1-2 -haloalkylthio or C.sub.1-2 -alkylsulfonyl, to processes for their preparation and to their use as herbicides. The invention also relates to novel intermediates and to processes for their preparation.
本发明涉及一种新型苯乙酰胺式化合物(I)的公式
其中Ar代表苯基、呋喃基或噻吩基,R1代表氢、C1-5烷基、C3-6环烷基、C3-6环烷基甲基、C3-5烯基、C3-5炔基、C1-3卤代烷基、C3-5环氧基烷基、C1-3-烷氧基-C1-4-烷基、C1-3-烷基硫基-C1-4-烷基、C1-3-烷氧羰基-C1-2-烷基、氰基-C1-3-烷基或芳基烷基,R2代表氢或C1-3烷基,R3代表氢或C1-3烷基,X代表卤素,Y代表异丙基、叔丁基、C1-2卤代烷基、C1-2卤代烷氧基、C1-2卤代烷硫基或C1-2烷基磺酰基,本发明还涉及它们的制备方法以及它们作为除草剂的用途。本发明还涉及新型中间体及其制备方法。