Stereoconvergent ‘one-pot’ tandem [2,3]-Wittig-anionic oxy-Cope rearrangement of acyclic bis-allylic ethers in the diastereoselective synthesis of substituted tetrahydropyrans
Acyclic stereocontrol via sequential and tandem [2,3]-Wittig-anionic oxy-Cope rearrangements
作者:Nicholas Greeves、Katya Jane Vines
DOI:10.1016/0040-4039(94)88230-4
日期:1994.9
Acyclic bis-allylic ethers undergo a stereoconvergent 'one-pot' tandem [2,3]-Wittig-anionic oxy-Cope (AOC) rearrangement to give the same δ,ε-unsaturated aldehyde, with Esyn stereochemistry, as that obtained by AOC rearrangement of isolated [2,3]-Wittig products.