BRANCHED CYCLIC TETRASSACHARIDE, PROCESS FOR PRODUCING THE SAME, AND USE

摘要

A novel glycosyl derivative which is a cyclic tetrassacharide represented by cyclo{}6)- alpha -D-glucopyranosyl-(1}3)- alpha -D-glucopyranosyl-(1}6)- alpha -D-glucopyranosyl-(1}3)- alpha -D-glucopyranosyl-(1}}. It is a branched cyclic tetrassacharide in which one or more hydrogen atoms of the hydroxyl groups have been replaced with an optionally substituted glycosyl group (provided that when the hydrogen atom of the hydroxyl group bonded to the 6-position carbon in each glucopyranosyl is the only hydrogen atom which has been replaced, the substituent is a group selected among glycosyl groups excluding D-glucosyl).