| 摘要 |
Disclosed are herbicidal compounds of the formula <IMAGE> wherein W is sulfur or oxygen; X is Br, Cl, F, alkyl, or haloalkyl; Y is Br, Cl, F, methyl, haloalkyl, haloalkoxy, nitro, or a radical of the formula -CH2QR8 in which Q is O, S, S(O), or S(O)2 and R8 is alkyl, alkenyl, alkynyl, optionally substituted phenyl; R is alkyl, haloalkyl, dialkylamino, carboxymethyl, hydroxy, or optionally substituted phenyl; R1 is hydrogen, alkyl, benzyl, haloalkyl, alkoxy, alkynyl, alkenyl, alkoxymethyl, cyanomethyl, hydroxycarbonylmethyl, alkoxycarbonylmethyl, or a group of the formula -SO2R or -alkylene-SO2R in which R is as defined above; or R and R1 together are a divalent alkylene radical; or a base addition salt of a compound as defined above in which R or R1 is or contains an acidic proton.
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