| 摘要 |
A herbicidal compound which is a Q-substituted 1-phenyl-4,5-dihydro-1,2,4-triazol-5(1H)-one in which the Q-substituent is bonded to the ring-carbon atom at the 5-position of the phenyl group and in which: Q is -CH(R<2>)C(R<3>)(R<4>)Q' or -CH=C(R<4>)Q'; R<2> and R<3> are each, independently, H or halogen; R<4> is H or lower alkyl; Q' is COOH, COOZ, COOR<5>, CON(R<6>)(R<7>), CN, CHO or C(O)R<5>; Z is a salt-forming group; R<5> is alkyl, alkoxycarbonylalkyl, cycloalkyl or aralkyl; each of R<6> and R<7> is, independently, a radical which is alkyl, cycloalkyl, alkenyl, alkynyl, alkoxy, phenyl, benzyl or SO2R<6> or is one of said radicals substituted by halogen, alkyl or cyano; said compound being one whose 5-Methoxy Analogs and 5-Propargyloxy Analog are herbicides. |
