4-BENZOYLISOXAZOLL, DERIVATIVES PROCESSES FOR PREPARATION THEREOF, HERBICIDAL COMPOSITION AND METHOD OF SUPPRESSING GROWTH OF WEEDS IN LOCUS Russian patent published in 1996 - IPC

FIELD: agriculture, as herbicides. SUBSTANCE: product: 4-benzoylisoxazole derivatives of formula 1 with certain definitions of radicals. The claimed invention describes two processes for preparing compounds of formula 1 by reaction of compound of formula 1 with hydroxylamine salt or by oxidation of compound of formula 1 through sulfur atom. Herbicidal composition comprises herbicidally effective amount of compound of formula 1 and desired additives. Method of suppressing growth of weeds comprises applying effective amount of compound of formula 1. Structure of compound of formula 1 and 2: and . EFFECT: more efficient suppression method. 11 cl, 3 tbl