申请人:Bayer Aktiengesellschaft
公开号:US04000173A1
公开(公告)日:1976-12-28
Novel 3-aryl-2-halothiopropionic acid compounds of the formula ##STR1## wherein X is chlorine or bromine, R.sup.1 is hydrogen, a salt-forming cation, an aliphatic radical or a substituted aliphatic radical wherein the substituent is halogen, haloalkyl, hydroxy, alkoxy, alkoxy-carbonyl or aryl, R.sup.2 is hydrogen, halogen or alkyl R.sup.3 is hydrogen or alkyl n is an integer from 0 to 3; and R.sup.4 is halogen, alkyl, haloalkyl or nitro and wherein the radical R.sup.4, when n is 2 or 3, may be the same or different, Are outstandingly effective herbicides, exhibiting particularly selective action.
新型的3-芳基-2-卤代硫代丙酸化合物的化学式为##STR1##其中X为氯或溴,R.sup.1为氢、盐形成阳离子、脂肪基或取代脂肪基,其中取代基为卤素、卤代烷基、羟基、烷氧基、烷氧羰基或芳基,R.sup.2为氢、卤素或烷基,R.sup.3为氢或烷基,n为0至3的整数;R.sup.4为卤素、烷基、卤代烷基或硝基,当n为2或3时,基团R.sup.4可以相同也可以不同,表现出特别选择性作用的杰出有效除草剂。