申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0001331A1
公开(公告)日:1979-04-04
Herbicidal phosphonates and preparation and use thereof having the general formula
wherein R and R, are various aliphatic or aromatic organic groups, Q is hydrogen or chiorine,X is oxygen or sulfur and R2 is alkyl, alkenyl or cycloalkyl. The compounds may be made by a variety of procedures, mostly involving the introduction or abstraction of chlorine at the 2-position. They can beformu- lated for agricultural use with a surface active agent and/or a solid or liquid diluent, and can be used pre- or post-emergence for controlling broadleaved and grassy weeds. , They show a selective action in certain crops, e.g. cotton, soybeans and sugarbeet.
具有通式的除草膦酸盐及其制备方法和用途
其中 R 和 R, 是各种脂肪族或芳香族有机基团,Q 是氢或基奥林,X 是氧或硫,R2 是烷基、烯基或环烷基。这些化合物可以通过多种方法制成,主要涉及在 2 位引入或抽取氯。这些化合物可与表面活性剂和/或固体或液体稀释剂配制成农用制剂,可用于芽前或芽后控制阔叶杂草和禾本科杂草。它们对某些作物(如棉花、大豆和甜菜)具有选择性作用。