申请人:Sumitomo Chemical Company, Limited
公开号:US04334912A1
公开(公告)日:1982-06-15
A compound of the formula: ##STR1## wherein A is a hydrogen atom, a methyl group or a methoxy group, X is a straight or branched C.sub.1 -C.sub.4 alkylene chain, Y is an oxygen atom or a sulfur atom, R, which may be the same or different, is a lower alkyl group, a lower alkoxy group, a trifluoromethyl group, a chlorine atom, a bromine atom or a fluorine atom, m is an integer of 0 to 5 and n is an integer of 0 or 1, provided that in case of R being a fluorine atom, m is an integer of 0 to 5 and in case of R being other than a fluorine atom, m is an integer of 0 to 3, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals and any chemical injury to said crop plants.
化合物的式子为:##STR1## 其中 A 是氢原子、甲基基团或甲氧基团,X 是直链或支链的 C.sub.1-C.sub.4 烷基链,Y 是氧原子或硫原子,R 可以是相同或不同的低烷基、低烷氧基、三氟甲基、氯原子、溴原子或氟原子,m 是 0 到 5 的整数,n 是 0 或 1 的整数,但当 R 是氟原子时,m 是 0 到 5 的整数,当 R 不是氟原子时,m 是 0 到 3 的整数。该化合物在作物种植中对各种杂草表现出显著的除草活性,对哺乳动物没有任何毒性,对作物也没有任何化学伤害。