Heterocyclic substituted triazolyl phosphorous compounds and their use as insecticides

An insecticidal composition comprising an inert carrier in intimate admixture with insecticidally effective amount of an active compound corresponding to the formula ##STR316## wherein R represents a nitrogen containing heterocyclic radical corresponding to one of the formulae ##STR317## each X independently represents chloro, fluoro, bromo, nitro, alkyl of 1 to 4 carbon atoms, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, cyano, trifluoromethyl, trichloromethyl, phenoxy or substituted phenoxy of the formula ##STR318## wherein each Z independently represents chloro, fluoro, bromo, nitro, cyano, alkoxy of 1 to 4 carbon atoms or alkylthio of 1 to 4 carbon atoms, with the proviso that when either n is 2 or 3, all X groups are sterically compatible with each other and all Z groups are sterically compatible with each other;

• Y represents oxygen or sulfur;
• each n can independently represent an integer of from 0 to 3, inclusive;
• R.sup.1 represents hydrogen, chloro, fluoro, bromo, alkyl of 1 to 4 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenyl, phenylthio, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, thiocyanato, trifluoromethyl, trichloromethyl, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms;
• R.sup.2 represents methyl, ethyl, propyl or isobutyl and R.sup.3 represents methoxy, ethoxy, propoxy, ethyl, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms or phenyl.

A method for the kill and control of insects which comprises contacting said insects or their habitat with a composition containing as the active ingredient, an insecticidally effective amount of an active compound corresponding to the formula ##STR320## wherein R represents a nitrogen containing heterocyclic radical corresponding to one of the formulae ##STR321## each X independently represents chloro, fluoro, bromo, nitro, alkyl of 1 to 4 carbon atoms, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, cyano, trifluoromethyl, trichloromethyl, phenoxy or substituted phenoxy of the formula ##STR322## wherein each Z independently represents chloro, fluoro, bromo, nitro, cyano, alkoxy of 1 to 4 carbon atoms or alkylthio of 1 to 4 carbon atoms, with the proviso that when either n is 2 or 3, all X groups are sterically compatible with each other and all Z groups are sterically compatible with each other;

• Y represents oxygen or sulfur;
• each n can independently represent an integer of fro 0 to 3, inclusive;
• R.sup.1 represents hydrogen, chloro, fluoro, bromo, alkyl of 1 to 4 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenyl, phenylthio, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, thiocyanato, trifluoromethyl, trichloromethyl, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms;
• R.sup.2 represents methyl, ethyl, propyl or isobutyl and R.sup.3 represents methoxy, ethoxy, propoxy, ethyl, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms or phenyl.