4-BENZOYL ISOXAZOLE DERIVATIVES, PROCESS FOR PREPARATION THEREOF, HERBICIDAL COMPOSITION, AND METHOD OF CONTROLLING WEEDS Russian patent published in 1996 - IPC

FIELD: agriculture, as herbicide. SUBSTANCE: product: 4-benzoylisoxazole derivatives of formula 1 wherein R¹ is cyclopropyl; R² is S(O)_nR,; R³ is chlorine, bromine or trifluoromethyl; R is methyl, n is 2. Compound of formula 1 is preposed by reaction of compound of formula 2 with hydroxylamine salt. Herbicidal composition contains effective amount of compound 1, preferably 20-50 wt%. Method of controlling weeds comprises applying compound of formula 1 to plant germination locus in amount of 0.1 to 4 kg/ha. Structure of compounds of formulae 1 and 2: , . EFFECT: improved properties of the herbicidal composition and more efficient control method. 10 cl, 6 tbl