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.
一种化合物的化学式:##STR1## 其中A是氢原子、甲基基团或甲氧基,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可能相同也可能不同,是较低的烷基基团、较低的烷氧基团、三氟甲基基团、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,但是如果R是氟原子,则m是0到5的整数,如果R不是氟原子,则m是0到3的整数,该化合物在作物植物栽培中对各种杂草表现出明显的除草活性,且对哺乳动物没有显著毒性,也不会对作物植物造成任何化学伤害。