starches and imida zolil foreign or foreign substances fosfonici process for their preparation and their use as insettici acaricidi and nematocides

摘要

O-Alkyl-O-[2-alkylthio-imidazo(4)yl]-(thiono)-phosphoric (phosphonic) acid esters and ester-amides of the formula ROX PARALLEL ANGLE P- (I) R' in which R is alkyl with 1 to 6 carbon atoms, R' is alkyl, alkoxy or mono- or dialkylamino with 1 to 6 carbon atoms in each alkyl moiety, R'' is cyano or carbalkoxy with 1 to 5 carbon atoms in the alkyl chain, R''' is alkyl or alkenyl with up to 6 carbon atoms, Alk is alkyl with 1 to 5 carbon atoms, and X is oxygen or sulfur, WHICH POSSESS INSECTICAL, ACARICIDAL AND NEMATICIDAL PROPERTIES.