The electroreduction of beta -hydroxy gamma,delta -unsaturated sulfones did not lead to the formation of a double bond between the a and beta carbons, but a certain beta -hydroxy gamma,delta -unsaturated sulfone (3bA) in the absence of proton donors gave a cyclohexenol derivative. This compound was derived from fission of a carbon-carbon bond between alpha- and beta -positions followed by recombination of the two fragments in the tandem Michael and aldol reactions.