Urea derivatives, and their production and use
    2.
    发明授权
    Urea derivatives, and their production and use 失效
    尿素衍生物及其生产和使用

    公开(公告)号:US4334912A

    公开(公告)日:1982-06-15

    申请号:US129980

    申请日:1980-03-12

    摘要: 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.

    摘要翻译: 下式的化合物:其中A是氢原子,甲基或甲氧基,X是直链或支链C 1 -C 4亚烷基链,Y是氧原子或硫原子,R可以是 相同或不同,为低级烷基,低级烷氧基,三氟甲基,氯原子,溴原子或氟原子,m为0〜5的整数,n为0或1的整数 条件是,在R为氟原子的情况下,m为0〜5的整数,在R为氟原子以外的情况下,m为0〜3的整数,表示对宽的显着的除草活性 对种植作物的各种杂草,对哺乳动物没有任何物质毒性,对所述作物造成任何化学损伤。