The synthesis of (E)-allyltrimethylsilanes by regio-and stereocontrolled pathways is described based on the preference for Krief-Reich elimination over silicon-controlled rearrangement in β-seleno-γ-silyl alcohols, readily available from α-selenoaldehydes, 10- 12. Usefulness of this protocol for the introduction of the allylsilane function α to the carbonyl group in cycloalkanones as well as for the preparation of unsymmetrically substituted ...
