NOVEL 1, 2, 4-OXADIAZOLE DERIVATIVE USEFUL AS SELECTIVE HERBICIDE

摘要

1,2,4-Oxadiazole derivs. of formula (I), useful as herbicides, are prepd.. In (I), R1 is dichlorophenoxymethyl, benzyl, ethyl, alkylamino-carbonyl, amido, methoxycarobnyl, amino, alkylureido, ethoxy carbonylalkoxy, diethylthiocarbamoylmethyl, allylaminocarbonyl opt. substd. by 1 or 2 haloen, or phenyl; R2 is dichlorophenoxymethyl, hydroxy, chloro, diethylthiocarbamoylmethyl, ethoxycarbonyl alkoxylphenoxy, dichlorophenoxy, nitrophenoxy, ethoxycarbonyl, amido or diethylphosphonyl.