Stereoselective synthesis of α-C-D-gluco- and D-galactopyranosyl glycosides from an isoprenoid synthon

Article abstract of DOI:10.1016/S0040-4020(98)00926-0

Addition of the allylsilane Me₃SiCH₂C:CH₂CH₂CO₂Me to D-gluco and D- galactopyranosyl derivatives gives in good yields α-C-glycopyranosides which are easily converted into glycosylated β-keto esters, butenolide and dihydropyrone.