The reaction of sulfonyl isocyanates with vinyl ethers

Abstract

Sulfonyl isocyanates (I) [I] 1, e.g. p-toluenesulfonyl isocyanate, react very rapidly and quantitatively with vinyl ethers giving N-substituted 4-alkoxyacetidin-2-ones (2) or N-substituted β-alkoxyacrylamides (3).