An efficient per-O-acetylation of carbohydrates catalyzed by HClO4-SiO2 is reported using a stoichiometric quantity of acetic anhydride avoiding the use of pyridine and excess acetic anhydride under solvent-free conditions. (C) 2004 Published by Elsevier Ltd.
CCCXCVI.—Synthesis of a new disaccharide, neotrehalose
作者:Walter Norman Haworth、Wilfred John Hickinbottom
DOI:10.1039/jr9310002847
日期:——
Micheel; Hagel, Chemische Berichte, 1952, vol. 85, p. 1087