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    • 127. 发明授权
    • Novel 4'(benzisothiazo-5-yloxy)-phenylurea derivatives, their
preparation and their use as herbicides
    • 新型4'(苯并异噻唑-5-基氧基) - 苯基脲衍生物,其制备及其作为除草剂的用途
    • US4589910A
    • 1986-05-20
    • US727628
    • 1985-04-30
    • Helmut HagenHans ZieglerBruno Wuerzer
    • Helmut HagenHans ZieglerBruno Wuerzer
    • A01N47/30C07D275/04A01N47/38
    • C07D275/04A01N47/30
    • A 4'-(Benzisothiazol-5-yloxy)-phenylureas of the formula ##STR1## where R.sup.1 and R.sup.2 are each a saturated straight-chain or branched aliphatic radical of 1 to 10 carbon atoms, an unsaturated straight-chain or branched aliphatic radical of 3 to 10 carbon atoms, or an araliphatic or aromatic radical which may be substituted by 1, 2 or 3 C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, cyano, halogen, nitro, monofluoromethyl or trifluoromethyl groups, or are each alkoxy of 1 to 6 carbon atoms, R.sup.2 may furthermore be hydrogen, or R.sup.1 and R.sup.2, together with the nitrogen atom, may be members of a 5-membered or 6-membered ring which may contain further nitrogen and/or oxygen atoms as heteroatoms, and X is hydrogen, trifluoromethyl or chlorine, processes for their preparation, and herbicides containing ureas of the formula I as active ingredients.
    • 式Ⅰ的4' - (苯并异噻唑-5-基氧基) - 苯基,其中R 1和R 2各自是1-10个碳原子的饱和直链或支链脂族基团,不饱和直链或支链脂族基 或可被1,2或3个C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基,氰基,卤素,硝基,单氟甲基或三氟甲基取代的芳脂族或芳族基团,或各自为 具有1至6个碳原子的烷氧基,R 2还可以是氢,或者R 1和R 2与氮原子一起可以是可以含有另外的氮原子和/或氧原子作为杂原子的5元或6元环的成员 ,X为氢,三氟甲基或氯,其制备方法,以及含有式I的脲的除草剂作为活性成分。