Synthetic applications of the [2+2] cycloaddition products of ketene alkylsilylacetals with acrylonitrile

Article abstract of DOI:10.1016/S0040-4020(01)88226-0

2-Cyanocyclobutane alkylsilylacetals, obtained by a [2+2] cycloaddition reaction of ketene alkylsilylacetals and acrylonitrile, have allowed the synthesis of 2-cyanoclobutanones, 4-chloro-4-cyanobutanoates and 4-cyanobutanoates by respectively acidic cata