| abstract |
An oligosialyl-1,2-dialkyl-Sn-glycerol represented by general formula (I) and an intermediate for its synthesis, wherein R1 groups represent each independently hydrogen or an alkali metal; R2 groups represent each independently C¿14? to C18 alkyl; Ac represents acetyl; and n represents an integer of 0 to 20. The above glycerol can be used as immunopotentiator, antitumor agent, and diagnostic and therapeutic agent for cancer. |