| abstract |
The invention relates to compounds having the formula <IMAGE> in which R is alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms or haloalkynyl of 2 to 8 carbon atoms; R1 is alkyl of 1 to 8 carbon atoms or aryl and, R2 is tertiary alkyl of 4 to 8 carbon atoms; which are useful as insecticides and nematocides, e.g., in controlling corn rootworm and Southern Army- worm, and to intermediates for their preparation. |