| 摘要 |
<p>Compounds of the formula: wherein X is oxygen or sulfur; R1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, cycloalkylmethyl, cycloalkenylmethyl, bicycloalkyl, bicycloalkenyl, bicycloalkylmethyl, bicycloalkenylmethyl, phenyl, substituted alkyl, substituted cycloalkyl, or substituted phenyl; R2 is hydrogen or alkyl; R3 is H, methyl, or ethyl; and R4 is alkyl, alkenyl, alkynyl or methoxy; and the salts with bases of these compounds wherein R2 is hydrogen, are useful as herbicides. A preferred compound is 1-methy1-3-cyclohexyl-6-dimethylamino-s-triazine-2,4(1H,3H)-dione.</p> |
