Substituted pyridinesulfonamide compound or its salt, process for preparing the same, and herbicide containing the same
申请人:ISHIHARA SANGYO KAISHA, Ltd.
公开号:EP0496608A1
公开(公告)日:1992-07-29
A substituted pyridinesulfonamide compound or its salt represented by the following general formula (I):
wherein R₁ and R₂ may be either each independently a member selected from the group consisting of unsubstituted or substituted alkyl groups, unsubstituted or substituted alkenyl groups, unsubstituted or substituted cycloalkyl groups, and unsubstituted or substituted phenyl groups, or combined with each other to form a -(CH₂)n- group wherein n is an integer of 2 to 5; and X and Y are each independently a member selected from the group consisting of alkyl groups and alkoxy groups, is disclosed. This compound is useful as the effective ingredient of a herbicide showing a wide weed-control spectrum even if used in a small amount.
由以下通式 (I) 代表的取代的吡啶磺酰胺化合物或其盐:
其中,R₁ 和 R₂ 可以各自独立地为选自由未取代或取代的烷基、未取代或取代的烯基、未取代或取代的环烷基和未取代或取代的苯基组成的组中的成员,或相互结合形成-(CH₂)n-基团,其中 n 为 2 至 5 的整数;X 和 Y 可以各自独立地为选自由烷基和烷氧基组成的组中的成员。这种化合物可作为除草剂的有效成分,即使用量很少,也能显示出广泛的除草谱。