H. Nagai et al., Novel stereocontrolled alpha- and beta-glycosidations of mannopyranosyl sulfoxides using environmentally benign heterogeneous solid acids, TETRAHEDR L, 42(25), 2001, pp. 4159-4162
The environmentally benign and stereocontrolled glycosidations of mannopyra
nosyl sulfoxides and alcohols using a heterogeneous solid acid, Nafion-H or
sulfated zirconia (SO4/ZrO2) as a new activator for the direct syntheses o
f both the alpha- and beta -mannopyranosides have been developed. (C) 2001
Elsevier Science Ltd. All rights reserved.