申请人:ICI Australia Limited
公开号:US04806141A1
公开(公告)日:1989-02-21
The invention concerns novel compounds of the formula I ##STR1## wherein Z is selected from hydrogen, halogen, C.sub.1 to C.sub.6 alkyl, and C.sub.1 to C.sub.6 alkoxy; Y is selected from halogen, C.sub.1 to C.sub.6 alkyl and C.sub.1 to C.sub.6 alkoxy; X is selected from halogen, C.sub.1 to C.sub.6 alkyl and C.sub.1 to C.sub.6 alkoxy and if Y is methyl and Z is hydrogen or methyl then at least one of X is not methyl; R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation; R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl; R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; and m is an integer chosen from 1 to 3. The compounds are cereal selective herbicides and in further embodiments 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:
Z选自氢,卤素,C.sub.1至C.sub.6烷基和C.sub.1至C.sub.6烷氧基;
Y选自卤素,C.sub.1至C.sub.6烷基和C.sub.1至C.sub.6烷氧基;
X选自卤素,C.sub.1至C.sub.6烷基和C.sub.1至C.sub.6烷氧基,如果Y是甲基且Z是氢或甲基,则至少有一个X不是甲基;
R.sup.1选自氢,烷基,烯烃基,炔基,取代烷基,烷基磺酰基,芳基磺酰基,酰基和无机或有机阳离子;
R.sup.2选自烷基,取代烷基,烯烃基,卤代烯烃基,炔基和卤代炔基;
R.sup.3选自烷基,氟代烷基,烯烃基,炔基和苯基;
m是从1到3选择的整数。
这些化合物是谷类选择性除草剂,进一步实施方式包括提供公式I化合物的制备过程,用于制备公式I化合物的中间体,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坏或杀死不需要的植物的过程。