Toward the synthesis of FR225654, an antidiabetic natural product, the Sharpless asymmetric
dihydroxylation of chiral bishomoallylic alcohols, never reported in the literature,
was examined. Employing the pyrimidine class of ligands, a high level of matched diastereoselectivity
was obtained. An application to the stereoselective synthesis of the C1–C10–C5 fragment
of FR225654 was performed.
Key words
stereoselective synthesis - natural products - dihydroxylation - diols - diastereoselectivity