Regio- and stereospecific cleavage of α,β-epoxysilanes with lithium diphenylphosphide

Article abstract of DOI:10.1016/S0040-4039(97)10123-X

Silyl epoxides 1a-e react with lithium diphenylphosphide and then with methyl iodide to give vinylphosphonium iodides resulting from α-opening of the epoxide ring and subsequent Peterson elimination. In the same conditions, the E-β-phenyl-α-tert-butyldiph