Herbicidal sulfonamides, and preparation and use thereof, the sulfonamides having the general formula
wherein
R, is H, halogen, methyl, methoxy or nitro,
R2 is NCO or various derivatives thereof,
X and Z are methyl or various alkoxy groups,
YisCHorN.
The compounds may be made e.g. by appropriate isocyanate/amine condensation reactions. They may be formulated for agricultural use in conventional manner and used as herbicides or plant growth regulants.
除草磺酰胺及其制备和使用方法,这些磺酰胺具有通式,其中 R 是 H、卤素、甲基、甲氧基或硝基,R2 是 NCO 或其各种衍
生物,X 和 Z 是甲基或各种烷氧基,YisCHorN。 这些化合物可以通过适当的
异氰酸酯/胺缩合反应等方法制得。 它们可以按常规方法配制成农用配方,用作
除草剂或
植物生长调节剂。