SEMICARBAZONE DERIVATIVES, METHOD OF CONTROLLING ARTHROPODES, AND ARTHROPOCIDAL COMPOSITION Russian patent published in 1996 - IPC

FIELD: agriculture, more particularly arthropocides. SUBSTANCE: product includes semicarbazone derivatives of formula 1 wherein A is (CH₂)t,, O, S(O)q. Each carbon atom may be mono- or disubstituted C₁-C₄-alkyl or phenyl which is optionally substituted by halogen; R₁ and R₂ are hydrogen, halogen, nitro group, C₁-C₄-alkoxy, hydroxy, o-C₁-C₄-haloalkyl, C₂-C₆-alkoxycarbonyl, trifluoromethyl or phenoxy group. Anthropocidal composition comprises as the active ingredient 0.01-99 wt % of compound of formula 1. Method of controlling anthropodes is carried out by using active ingredient such as compounds in the habitat thereof in amount of 0.01-8 kg/ha. Structure of compounds of formula: . EFFECT: improved properties of the title compounds.