A novel. substituted pyridinesulfonamide compound having a pyridine ring with an N-substituted aminocarbonyl group, I or 2 Y groups, and a particular substituted group (if any), and a pyrimidine ring with a specific substituted group at the 3-position of the sulfonyl urea chain. where Y represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group. an alkylthio group, an alkoxyalkyl group, or non-substituted or substituted amino group. The compound is effective as the herbicide for corn fields. Further, the salts of the above-mentioned compound, herbicidal composition containing the compound or these salts, and a process for producing the above-identified compound, and also a method of preparing the salts of the compound.
一种新型取代的
吡啶磺酰胺化合物,其
吡啶环上有一个 N-取代的
氨基羰基、I 或 2 个 Y 基团和一个特定的取代基团(如有),
嘧啶环上在磺酰
脲链的 3 位上有一个特定的取代基团,其中 Y 代表氢原子、卤素原子、烷基、烷氧基、烷
硫基、烷氧基烷基或非取代或取代的
氨基。该化合物作为玉米田的
除草剂是有效的。此外,上述化合物的盐、含有该化合物或这些盐的除草组合物、生产上述化合物的工艺,以及制备该化合物盐的方法。