Herbicidal pyridine compounds of the formula (I):
wherein Z may be halogen, or a fluorine- or chlorine- substituted alkyl group of 1 to 4 carbon atoms, and Y may be hydrogen, halogen, or a fluorine- or chlorine-substituted alkyl group of 1 to 4 carbon atoms; X may be an OH group of an acyloxy group; a halogen atom; an amino group, a mono- or di-alkyl amino group, or an aikanoylamido group; an sikoxy group optionally substituted by hydroxy or alkoxy; or a mer- capto group, an alkylthio group, or a phenylthio group. The invention also provides herbicidal compositions containing the compounds, and processes for making the compounds.
式(I)的除草
吡啶化合物:
其中 Z 可以是卤素或 1 至 4 个碳原子的
氟或
氯取代的烷基,Y 可以是氢、卤素或 1 至 4 个碳原子的
氟或
氯取代的烷基;X 可以是酰氧基的 OH 基团;卤素原子;
氨基、单烷基或双烷基
氨基、或烷酰
氨基;任选被羟基或烷氧基取代的烷氧基;或巯基、烷
硫基或苯
硫基。本发明还提供了含有这些化合物的除草组合物以及制造这些化合物的工艺。