β-Arabinofuranosylation Using 5-<i>O</i>-(2-Quinolinecarbonyl) Substituted Ethyl Thioglycoside Donors
作者:Qiang-Wei Liu、Hua-Chao Bin、Jin-Song Yang
DOI:10.1021/ol401755e
日期:2013.8.2
A new β-stereoselective d- and l-arabinofuranosylation method has been developed employing 5-O-(2-quinolinecarbonyl) substituted arabinosyl ethylthioglycosides as glycosyl donors. The approach allows a wide range of acceptor substrates to be used; the β-selectivity is good-to-excellent. Stereoselective synthesis of a mannose-capped octasaccharide portion from a mycobacterial cell wall polysaccharide