Pyridyl esters of N-alkylidene-substituted phosphor- and phosphonamidic acids

Abstract

This invention discloses chemical compounds of the formula ##STR1## wherein X.sup.1 is selected from the group consisting of oxygen and sulfur; R.sup.1 is selected from the group consisting of hydrogen, alkyl, phenyl, alkoxy and alkylthio; R.sup.2 is selected from the group consisting of alkoxy, alkylthio, amino, alkylamino and dialkylamino; with the proviso that a maximum of one of R.sup.1 and R.sup.2 is alkoxy or alkylthio; Z is selected from the group consisting of alkyl, alkoxy, nitro and halogen; and n is an integer from 0 to 4; and wherein R.sup.3 is selected from the group consisting of alkyl, alkoxy, alkylthio and ##STR2## wherein X.sup.2 is selected from the group consisting of oxygen and sulfur; X.sup.3 is halogen; k is the integer 0 or 1; and 1 and m are each integers from 0 to 3. Further disclosed are insecticidal compositions utilizing the compound of the present invention.

Dependencies are inferred from the claim text.