Tetrahedron Letters p. 4265 - 4268 (1981)
Update date:2022-08-04
Topics:
Ogura, Haruo
Furuhata, Kimio
CD spectra were recorded for methyl α- and β-glycosides of D-neuraminic acid, and the band at the wave-length lower than 200 nm was attributed to the acetamido group.The Cotton effect at higher wave-length around 220 nm arose from the n-?* transition of the carboxyl group.Thus α-linked glycosides showed a negative band, while β-glycosides gave arise to a positive band.
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