New compounds having the generic formula: ##EQU1## wherein R can be selected from the group consisting of hydrogen, alkyl and aryl; R.sub.1 is alkyl; R.sub.2 can be selected from hydrogen, alkyl, alkylcyano, thioalkyl, alkynyl, benzothiazolo, imidazolo, aryl and substituted aryl with the substituents being selected from nitro, alkyl, halogen, cyano, thioalkyl, haloalkyl and amido; X can be oxygen, sulfur or amino, provided that when X is oxygen or sulfur R.sub.2 is other than hydrogen. Compounds of the present invention are active insecticides and miticides.