Patent ID: 7375095
Filing Date: 2008-05-20
Classification: C07H

Abstract:
1. A derivative of cyclic tetrasaccharide, which has a structure represented by Formula 1: wherein R 1 to R 12 means a hydroxyl group or a substituent excluding a hydroxyl group selected from the group consisting of aliphatic hydrocarbon groups having 1-18 carbon atoms, aliphatic cyclic hydrocarbon groups, mono- or polycyclic aromatic hydrocarbon groups, saturated, unsaturated, branched or linear fatty acid ester groups, carboxylic acid ester groups, sulfuric ester groups, phosphoric ester groups, alkoxyl groups having 1-18 carbon atoms, aromatic alcohol ether groups, carboxyl groups, ketone groups, amino groups, hydroxylamino groups, oxime groups, carbamide groups, carbamic acid ester groups, thiocarbamic acid O-ester groups, thiocarbamic acid S-ester groups, imino groups, azirine groups, nitro groups, nitroso groups, azide groups, nitrile groups, isonitrile groups, cyano groups, isocyano groups, isothiocyanate groups, mercapto groups, sulfonyl groups, sulfonic acid groups, sulfoxide groups, sulfonyl imido groups, p-toluene sulfonyl groups, and halogen groups; but at least one of R 1 to R 12 is substituted with said substituent excluding a hydroxyl group.