Abstract
A mild and efficient method to selectively cleave p-methoxybenzyl (PMB) ether with a catalytic amount of Co2(CO)8, hydrosilane and CO (1atm) is presented. The cleavage reaction shows regioselectivity to primary O-PMB of a variety of permethoxybenzylated saccharides and chemoselectivity to O-Bn, sulfur-containing group and common ester protecting groups.
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