•
Alkylation of the lithio-derivative and rearrangement to the (E)-ɑ?-unsaturated sulfone, followed by cleavage with alkali metal, provides a route to alkenes: J. Chem. Soc., Perkin 1, 123 (1977):

• For review of allylic and benzylic carbanions substituted by heteroatoms, see: Org. React., 27, 1 (1982).