European Journal of Organic Chemistry p. 3175 - 3178 (1999)
Update date:2022-08-02
Topics:
Higuchi, Ryuichi
Mori, Takeshi
Sugata, Tetsuji
Yamada, Koji
Miyamoto, Tomofumi
Two simple sea cucumber ganglioside analogs 8 (NeuAcα2→6 Glcβ 1→1 docosanol) and 9 (NeuAcβ2→6 Glcβ 1→1 docosanol), containing a long-chain alcohol as a mimic of ceramide, have been synthesized. Coupling of the methyl 2-thioglycoside derivative of N-acetylneuraminic acid S with docosyl glucoside derivative 3 afforded the protected ganglioside analogs 6 and 7, which were deprotected to give the corresponding ganglioside analogs 8 and 9, respectively. The 13C-NMR data obtained for these anomers 8 and 9 should prove useful for the determination of anomeric configurations of sialic acid residues in gangliosides.
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