A de Novo Synthesis of 2,6-Dideoxy-<i>C</i>-aryl Glycosides Based on Ring Closing Metathesis and Diastereoselective Epoxide Cleavage/Anomerization Reactions
作者:Bernd Schmidt
DOI:10.1021/ol005522y
日期:2000.3.1
This paper describes a synthesis of enantiomerically pure 2,6-dideoxy-C-aryl glycosides, starting from non-carbohydrate precursors. The synthesis starts from homoallylic alcohols (obtained in enantiomerically pure form by enzymatic resolution), which are elaborated to dihydropyrans using ringclosingmetathesis as the key step. Epoxidation and epoxide cleavage complete the synthesis. The stereochemical