Stannylene-Mediated Regioselective 6-<i>O</i>-Glycosylation of Unprotected Phenyl 1-Thioglycopyranosides
作者:Agnese Maggi、Robert Madsen
DOI:10.1002/ejoc.201300026
日期:2013.5
straightforward procedure is described for the synthesis of (16)-linked saccharides by regioselectiveglycosylation of unprotected glycosyl acceptors. Phenyl 1-thioglycopyranosides derived from D-glucose, D-galactose and D-mannose were treated with dibutyltin oxide to introduce a stannylene acetal, and then subjected to selective glycosylation at the 6-position with the Koenigs–Knorr protocol. Peracylated glycosyl