Synthesis of Heterocycles from Ketene Dithioacetals

This review describes the synthesis of heterocycles starting from ketene dithioacetals and related compounds (ketene S,S-acetals, ketene N,S-acetals, ketene N,N-acetals, α-oxoketene S,S-acetals, α-oxoketene N,S-acetals, and α-oxoketene N,N-acetals). Post-1980 literature is mainly taken into account.