| 摘要 |
PROBLEM TO BE SOLVED: To provide a new saccharide derivative.SOLUTION: This invention provides a sugar derivative represented by formulae IV and IV-α, and used as the synthetic raw material for a nucleoside compound, where Ris H or an azido group; Ris a methyl group; Ris a protective group such as a benzoyl group, an acetyl group, a trityl group, DMT (4,4'-dimethoxytrityl), MMT (4-monomethoxytrityl), pixyl (9-phenylxanthen-9-yl), and thiopixyl (9-phenylthioxanthen-9-yl); and X is F. |
