| 摘要 |
The compounds of the formula (I) or salts thereof <IMAGE> where Q is a radical of the formula <IMAGE> Y is hydrogen or halogen, R<1>, R<2> and R<3> are H, (substituted) alkyl, alkenyl, alkynyl, (substituted) alkoxycarbonyl, (substituted) phenyl or R<1> and R<2> together with the C atom linking them are a hydrocarbon ring, R<4> is H, (substituted) alkyl, alkoxycarbonyl or a radical of the formula R<5>OCO-(C1-C4)alkyl, -COOR<5> or R<1>R<5>N-CO-(C1-C4)alkyl and R<5> is H, (substituted) alkyl, (substituted) phenyl or (substituted) benzyl; m and n are 0 or 1, with the proviso that for m = 1, n must be 0, and for m = 0, n must be 1, and with the exception of the compounds in which the two radicals R<3> and R<4> are hydrogen, have advantageous herbicidal effects against monocotyledon and dicotyledon harmful plants. |
