申请人:Rhone-Poulenc Agriculture Limited
公开号:US05480857A1
公开(公告)日:1996-01-02
4-heteroaroylisoxazole derivatives of formula I: ##STR1## wherein: Ar represents an optionally substituted group Het, wherein Het represents a first heterocyclic ring containing from one to four heteroatoms in the ring selected from oxygen, nitrogen and sulphur, which is optionally fused with a benzene, or carbocyclic or second heterocyclic ring (which is optionally saturated or partially saturated) to form a bicyclic system, wherein the first heterocyclic ring of the group Het is attached to the carbonyl group in the 4-position of the isoxazole ring; R represents hydrogen or --CO.sub.2 R.sup.3 ; R.sup.1 represents alkyl or haloalkyl or a cycloalkyl group optionally substituted by one or more groups R.sup.4 ; R.sup.3 and R.sup.4 independently represent alkyl or haloalkyl; agriculturally acceptable salts thereof and their use in weed control is described.
公式I中的4-杂环酰异噁唑衍生物:##STR1## 其中:Ar代表一个可选取代的基团Het,其中Het代表一个包含1至4个杂原子(氧、氮和硫)的第一杂环环,可以与苯环、碳环或第二杂环环(可饱和或部分饱和)融合形成一个双环系统,其中基团Het的第一杂环环连接到异噁唑环的4位羰基基团上;R代表氢或--CO.sub.2 R.sup.3;R.sup.1代表烷基或卤代烷基或一个环烷基基团,可选地被一个或多个基团R.sup.4取代;R.sup.3和R.sup.4独立地代表烷基或卤代烷基;描述了其在除草中的农业可接受盐和使用。