申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0488474A1
公开(公告)日:1992-06-03
Compounds of the formula
wherein
nis 1 to 5 and the/each X is hydrogen, halogen, cyano, nitro, optionally substituted alkyl or alkoxy alkenyloxy, alkynyloxy, haloalkylthio, alkenylthio or alkynylthio;
mis 0 or 1 to 3 and the/each Y is halogen, alkyl or haloalkyl;
Zis oxygen or sulphur;
and
R¹ and R²each, 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
R¹ and R²together form an alkylene chain optionally interrupted by oxygen, sulphur or -NR-, R being hydrogen or alkyl;
are herbicides.
式中的化合物
式中
n 是 1 至 5,且每个 X 是氢、卤素、氰基、硝基、任选取代的烷基或烷氧基烯氧基、炔氧基、卤代烷硫基、烯硫基或炔硫基;
mis为 0 或 1 至 3,每个 Y 为卤素、烷基或卤代烷基;
Z 是氧或硫;
和
R¹ 和 R² 各自独立地为氢、任选被卤素取代的烷基、羟基、氰基、烷氧基、烷硫基、烷氧基羰基、或单-或二-烷基氨基、烯基、炔基、羟基、烷氧基、烯氧基、炔氧基、烷氧基羰基、氨基、单-或二-烷基氨基、烷氧基羰基氨基、芳基氨基、二烷基氨基甲酰基、环烷基或任选取代的环烷基烷基;
或
R¹ 和 R² 共同形成一条亚烷基链,可选择被氧、硫或-NR-打断,R 为氢或烷基;
是除草剂。