| 摘要 |
<p>A compound of the formula wherein A is NH, N-(C=O)n-R4, oxygen or sulfur, Y is oxygen or sulfur when A is oxygen or sulfur, and is oxygen when A is N-(C=))n-R4 or NH, R and R1 are hydrogen, alkyl or alkoxy having at least 1 and not more than 10 carbon atoms and can be like or unlike, R2 is hydrogen, alkyl or alkoxy having at least 1 and not more than 10 carbon atoms, NO2 or halogen, R3 is hydrogen, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, polyalkoxy, polyalkylthio, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl, polyalkylthioalkyl, haloalkyl, hydroxyalkyl, mercaptoalkyl, haloalkenyl, oxoalkyl, alkenyloxyalkyl, alkenylthioalkyl each of a maximum of 18 carbon atoms; cycloalkyl having at least 3 and a maximum of 6 carbon atoms; aryl, aryloxy, aryloxyalkyl, arylthioalkyl, trifluoromethyl- and haloaryl, trifluoromethyl-and haloaryloxyalkyl, trifluoromethyl- and haloarylthioalkyl, arylalkyl, arylalkenyl, nitroaryl, nitroarylthioalkyl, and nitroarylalkyl having at least 6 and not more than 24 carbon atoms; 2-pyridyl, 3-pyridyl, 4-pyridyl, 3,4-methylenedioxyphenyl, amino or mono- and dialkylamino, carbamoyl, alkyl-substituted carbamoyl, monoarylamino, mono(haloaryl)amino, mono(trifluoromethylaryl)amino, and alkyalkoxyamino having a maximum of 10 carbon atoms, R4 is alkyl, alkenyl, aryl or alkaryl having a maximum of 18 carbon atoms, or R3 and R4 are combined to form an alkylene or alkenylene bridge having at least 2 and not more than 5 carbon atoms, X is chlorine, bromine or iodine, and n is an integer of 1 or 2 and m is an integer of 0 to 2. There is also disclosed a method and herbicidal compositions of the above compounds.</p> |
