申请人:ICI Australia Limited
公开号:US04717418A1
公开(公告)日:1988-01-05
The invention concerns novel compounds of the formula I ##STR1## wherein R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, acyl, alkylsulfonyl, benzenesulfonyl, substituted benzenesulfonyl, and an inorganic or organic cation; R.sup.2 is selected from alkyl, alkenyl, alkynyl, substituted alkyl, haloalkenyl and haloalkynyl; R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; and n is an integer chosen from 2 to 5. The compounds are cereal selective herbicides and in further embodiments of the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.
该发明涉及公式I的新化合物
其中R.sup.1从氢、烷基、烯烃基、炔烃基、取代烷基、酰基、烷基磺酰基、苯基磺酰基、取代苯基磺酰基以及无机或有机阳离子中选择;R.sup.2从烷基、烯烃基、炔烃基、取代烷基、卤代烯烃基和卤代炔烃基中选择;R.sup.3从烷基、氟代烷基、烯烃基、炔烃基和苯基中选择;n是从2到5选择的整数。这些化合物是谷类选择性除草剂,该发明的进一步实施提供了制备公式I化合物的方法,制备公式I化合物有用的中间体,含有公式I化合物作为活性成分的除草剂组合物,以及通过向植物或植物生长介质施加公式I化合物的有效量来严重损害或杀死不需要的植物的方法。