申请人:American Cyanamid Company
公开号:US05707932A1
公开(公告)日:1998-01-13
Herbicidal picolinamide derivatives are provided having the formula I ##STR1## which Z represents an oxygen or sulphur atom, R.sup.1 and R.sup.2 each independently represents a hydrogen atom or an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, alkaryl, hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkylcarbonyl, amino, mono- or di-alkylamino, alkoxycarbonylamino, arylamino, arylalkylamino or dialkylcarbamoyl group, or together represent an alkylene chain which is optionally interrupted by an oxygen or sulphur atom or by a group --NR-- in which R represents a hydrogen atom or an alkyl group, R.sup.3 independently represents a halogen atom or an alkyl or haloalkyl group, R.sup.4, R.sup.5 and R.sup.6 each independently represents a hydrogen or halogen atom, an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, alkaryl, alkoxy, amino, mono- or di-alkylamino, alkoxycarbonylamino, arylamino, dialkylcarbamoyl, acyl or acylamido group or a cyano group, with the proviso that R.sup.5 and R.sup.6 do not represent an acyl, acylamido or cyano group, and n represents 0, 1, 2 or 3.
提供了具有以下公式的除草性吡啶甲酰胺衍生物,其中Z代表氧或硫原子,R.sup.1和R.sup.2分别独立地代表氢原子或可选择地取代的烷基、烯基、炔基、环烷基、环烷基烷基、芳基、芳基烷基、烷基芳基、羟基、烷氧基、烯基氧基、炔基氧基、烷基羰基、氨基、单或双烷基氨基、烷氧羰基氨基、芳基氨基、芳基烷基氨基或二烷基氨基甲酰基,或者一起代表一个可以被氧或硫原子或者由一个基团--NR--中断的烷基链,其中R代表氢原子或烷基,R.sup.3独立地代表卤素原子或烷基或卤代烷基,R.sup.4、R.sup.5和R.sup.6分别独立地代表氢或卤素原子,可选择地取代的烷基、烯基、炔基、环烷基、环烷基烷基、芳基、芳基烷基、烷基芳基、烷氧基、氨基、单或双烷基氨基、烷氧羰基氨基、芳基氨基、二烷基氨基、酰基或酰胺基团或氰基,但要求R.sup.5和R.sup.6不代表酰基、酰胺基或氰基团,n代表0、1、2或3。