GANGLIOSIDE-RELATED COMPOUND AND PRODUCTION THEREOF

摘要

NEW MATERIAL:A compound shown by formula I [R1 is H or group shown by formula II (Ac is acetyl; Alkali is alkali metal); R2 is H or group shown by formula III; Ac is acetyl]. USE:A maker for early detection of colon cancer, liver cancer, etc., and an agent for immunotherapy. PREPARATION:For example, a compound shown by formula IV [R1 is acetyl or group shown by formula V (R is OCOCH3); R2 is H group shown by formula VI (Ph is phenyl)] to give a compound shown by I. The compound shown by IV is obtained by reacting a monosaccharide shown by formula VII with a monosaccharide shown by formula VII (NPhth is phthalimido group), them with a disaccharide shown by formula IX and further carrying out various treatment.