1,3-Dipolar Cycloaddition Reactionsof Nitrones to Prop-1-ene-1,3-sultone

The reaction of prop-1-ene-1,3-sultone (1) with a variety of nitrones 2 afforded novel [3+2] cycloaddition products 3, 4, and 5 in good yield. Excellent regio- and stereoselectivity were achieved in the cycloaddition reaction with phenylnitrones.