申请人:American Cyanamid Company
公开号:US05371061A1
公开(公告)日:1994-12-06
Compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represents hydrogen, optionally substituted alkyl, aryl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aralkyl, alkaryl, hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkylcarbonyl, alkoxycarbonyl, amino, mono- or dialkylamino, alkoxycarbonylamino, optionally substituted heterocycle or arylamino, dialkylcarbamoyl, trialkylsilyl or fused ring structure, or together form an alkenylene chain or an alkylene chain which is optionally interrupted by oxygen or sulphur or --NR--, R being hydrogen or alkyl; R.sub.3 represents hydrogen or halogen, or optionally substituted alkyl, alkoxy, aryl or aryloxy, or cyano, carboxy, alkoxycarbonyl, (alkylthio) carbonyl, alkylcarbonyl, amido, alkylamido, nitro, alkenyloxy, alkynloxy, alkylthio, haloalkylthio, alkenylthio, alkynylthio, alkylsulphinyl, alkylsulphonyl, alkyloximinoalkyl or alkenyloximinoalkyl; R.sub.4 represents halogen, alkyl or haloalkyl; Z represents oxygen or sulphur; m is 0-3; and n is 1-4, and certain intermediates in their production, exhibit herbicidal activity.
该公式化合物为:其中R.sub.1和R.sub.2分别独立表示氢、可选择取代的烷基、芳基、烯基、炔基、环烷基、环烷基烷基、芳烷基、烷芳基、羟基、烷氧基、烯氧基、炔氧基、烷基羰基、烷氧羰基、氨基、单烷基或二烷基氨基、烷氧羰胺基、可选择取代的杂环或芳基氨基、二烷基氨基甲酰基、三烷基硅基或融合环结构,或者一起形成烯基链或烷基链,该链可被氧或硫或--NR--中断,其中R为氢或烷基;R.sub.3表示氢或卤素,或者可选择取代的烷基、烷氧基、芳基或芳氧基,或氰基、羧基、烷氧羰基、(烷硫)羰基、烷基羰基、酰胺基、烷酰胺基、硝基、烯氧基、炔氧基、烷硫基、卤代烷硫基、烯基硫基、炔基硫基、烷基砜基、烷基砜基、烷氧基亚胺基或烯基氧亚胺基;R.sub.4表示卤素、烷基或卤代烷基;Z表示氧或硫;m为0-3;n为1-4,它们的生产中的某些中间体表现出除草活性。