申请人:Shell Research Limited
公开号:US05384305A1
公开(公告)日:1995-01-24
Compounds of the formula ##STR1## wherein n is 1 to 5 and the/each X is hydrogen, halogen, cyano, nitro, optionally substituted alkyl or alkoxy alkenyloxy, alkynyloxy, haloalkylthio, alkenylthio or alkynylthio; m is 0 or 1 to 3 and the/each Y is halogen, alkyl or haloalkyl; Z is oxygen or sulphur; and R.sup.1 and R.sup.2 each, independently, is hydrogen, alkyl optionally substituted by halogen, hydroxy, cyano, alkoxy, alkylthio, alkoxycarbonyl, or mono- or di-alkylamino, alkenyl, alkynyl, hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkoxycarbonyl, amino, mono- or di-alkylamino, alkoxycarbonylamino, arylamino, dialkylcarbamoyl, cycloalkyl, or optionally substituted cycloalkylalkyl; or R.sup.1 and R.sup.2 together form an alkylene chain optionally interrupted by oxygen, sulphur or --NR--, R being hydrogen or alkyl; are herbicides.
该化合物的结构式为##STR1##其中n为1至5,每个X为氢、卤素、氰基、硝基、可选择取代的烷基或烷氧基、烯基氧基、炔基氧基、卤代烷基硫、烯基硫或炔基硫;m为0或1至3,每个Y为卤素、烷基或卤代烷基;Z为氧或硫;R.sup.1和R.sup.2各自独立地为氢、可选择取代的烷基(可被卤素、羟基、氰基、烷氧基、烷基硫、烷氧羰基、单烷基或二烷基氨基、烯基、炔基、羟基、烷氧基、烯基氧基、炔基氧基、烷氧羰基、氨基、单烷基或二烷基氨基、烷氧羰基氨基、芳基氨基、二烷基氨基甲酰基、环烷基或可选择取代的环烷基烷基);或R.sup.1和R.sup.2一起形成一个由氧、硫或-NR-间断的烷基链,其中R为氢或烷基;它们是除草剂。