Diastereoselective radical reactions : β-face selective quenching of the 1,2-O-isopropylidene-3,4,6-tri-O-benzyl-D-glucopyranos-1-yl radical

Article abstract of DOI:10.1016/S0040-4039(00)78786-7

Pyrolysis of 3,4,6-tri-Obenzyl-1-carbomethoxy-1,2-dideoxy-1-phenylsulfonyl-D-glucopyranose provides the corresponding 1-carbomethoxyglucal which reacts with osmium tetroxide to form a gluco-diol. This diol is converted to an acetonide which is saponified