N-(phenylsulfonyl)picolinamide derivatives, process for producing the same, and herbicide
申请人:Kureha Kagaku Kogyo K.K.
公开号:US06610853B1
公开(公告)日:2003-08-26
A herbicide containing as the active ingredient an N-(henylsulfonyl)picolinamide derivative represented by general formula (I) wherein X reprcsents a halogeno, a C1-4 alkyl, a C1-4 haloalkyl, a C1-4 alkoxy, a C1-4 haloalkoxy, a (C1-4 alkoxy)carbonyl, a [di(C1-4 alkyl)amino]sulfonyl, an [N—(C1-4 alkyl)-N—(C1-4 alkoxy)amino]sulfonyl, a (C1-4 alkylamino)sulfonyl, a C1-4 alkylthio, a C1-4 alkylsulfinyl, a C1-4 alkylsulfonyl, or nitro; n is an integer of 0 to 5; Y represets a halogeno, a C1-4 alkyl, a C1-4 haloalkyl, a C1-4 alkoxy, C1-4 haloalkoxy, a C1-4 alkylthio, a C1-4 haloalkylthio, amino, a C1-4 alkylamino, a di(C1-4 alkyl)amino, a (C1-4 alkoxy) C1-4 alkyl, a (C1-4 alkylthio) C1-4 alkyl, or nitro; and m is an integer of 0 to 4. This active ingredient is synthesized by condensing a substituted picolinic acid with a substituted benzenesulfonamide under dehydration, or by reacting the phenyl ester of a substituted picolinic acid with a substituted benzenesulfonamide in the presence of a basic compound.
一种除草剂,其活性成分为一种由通式(I)表示的N-(苯基磺酰基)吡啶甲酰胺衍生物,其中X代表卤素、C1-4烷基、C1-4卤代烷基、C1-4烷氧基、C1-4卤代烷氧基、(C1-4烷氧基)羰基、[二(C1-4烷基)氨基]磺酰基、[N-(C1-4烷基)-N-(C1-4烷氧基)氨基]磺酰基、(C1-4烷基氨基)磺酰基、C1-4烷基硫醚、C1-4烷基亚砜基、C1-4烷基磺酰基或硝基;n为0至5的整数;Y代表卤素、C1-4烷基、C1-4卤代烷基、C1-4烷氧基、C1-4卤代烷氧基、C1-4烷基硫醚、C1-4卤代烷基硫醚、氨基、C1-4烷基氨基、二(C1-4烷基)氨基、(C1-4烷氧基)C1-4烷基、(C1-4烷基硫醚)C1-4烷基或硝基;m为0至4的整数。该活性成分通过将取代吡啶甲酸与取代苯磺酰胺在脱水条件下缩合合成,或者在碱性化合物存在下,将取代吡啶甲酸的苯酯与取代苯磺酰胺反应而制备。