An insecticidally active solvate of pymetrozine

Abstract

Compound of formula (I)wherein r is 0 and s is 2; and L is methanol, ethanol, propanol, isopropanol, butanol, isobutanol, t-butanol, cyclohexanol, tetrahydrofurfuryl alcohol, ethylene glycol, glycerol, methyl acetate, ethyl acetate, ethyl lactate, butyrolactone, ethylene carbonate, propylene carbonate, acetonitrile, dimethyl sulphoxide, dimethylformamide,dimethylacetamide.N-methyl2- pyrrolidone, N-octyl-2- pyrrolidone, N-decyl2- pyrrolidone, acetone, butanone, methyl isobutyl ketone, methylpropyl ketone, acetophenone, cyclohexanone, methylene chloride, trichloromethane, trichloroethane, tetrahydrofuran, diethylether, 1,2-dimethoxyethane, dioxane, methyl-tert.-butylether, ethanolamine, pyridine, chlorobenzene, toluene, tylene or tetramethylurea; with the proviso that r and s are not simultaneously 0; and pesticides whose active ingredient is selected from these compounds, are described.