HIGHLY STEREOSELECTIVE SYNTHESIS OF OPTICALLY ACTIVE MASKED SYN-α,β-DIHYDROXY ALDEHYDES.

Article abstract of DOI:10.1016/S0040-4039(00)96305-6

Dihydroquinidine acetate promoted osmylation of acetals of E-α,β-unsaturated aldehydes occurs with up to 40:1 stereoselection to afford the corresponding protected syn-α,β-dihydroxy aldehydes.