申请人:Nissan Chemical Industries Ltd.
公开号:US05116405A1
公开(公告)日:1992-05-26
A pyridinesulfonamide derivative of the formula (I) and a salt thereof: ##STR1## wherein R.sup.1 is a halogen atom, a trifluoromethyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl group, a C.sub.1 -C.sub.6 mono- or di-alkylaminocarbonyl group, a C.sub.1 -C.sub.6 alkxoy group, a C.sub.1 -C.sub.6 alkylsulfonyl group, a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxy group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or di-alkylaminosulfonyl group, a C.sub.1 -C.sub.6 alkoxyaminosulfonyl group substituted by a C.sub.1 -C.sub.6 alkyl group, a nitro group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.5 alkyl group substituted by a C.sub.1 -C.sub.6 alkylsulfonyl group, or a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxycarbonyl group; R.sup.2 is a hydrogen atom or a halogen atom; X is a oxygen atom or a sulfur atoms; and ##STR2## which are useful as herbicides.
式(I)的吡啶磺酰胺衍生物及其盐:
##STR1##
其中,R1是卤原子、三氟甲基基团、C1-C6烷氧羰基基团、C1-C6单烷基或双烷基氨基羰基基团、C1-C6烷氧基、C1-C6烷基磺酰基、C1-C6烷基硫醇基、C1-C6烷基被C1-C6烷氧基取代、C1-C6烷基被C1-C6单烷基或多卤代烷氧基取代、C1-C6单烷基或多卤代烷氧基、C1-C6单烷基或双烷基氨基磺酰基、C1-C6烷氧基氨基磺酰基被C1-C6烷基取代、硝基、C1-C6烷基被C1-C6烷基硫醇基取代、C1-C5烷基被C1-C6烷基磺酰基取代或C1-C6烷基被C1-C6烷氧羰基取代;R2是氢原子或卤原子;X是氧原子或硫原子;以及
##STR2##
它们是有用的除草剂。