Mild and efficient preparation of γ-substituted α,β-unsturated γ-butyrolactones from epoxides
作者:Stephen Hanessian、Paul J. Hodges、Peter J. Murray、Soumya P. Sahoo
DOI:10.1039/c39860000754
日期:——
Reaction of the dilithio derivative of phenylselenoacetic acid with epoxides leads to γ-substituted-α-phenylseleno-γ-butyrolactones, which upon oxidation–elimination, afford γ-substitutedα,β-unsaturated γ-butyrolactones in high overall yield.