中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 2-deoxy-3,4-O-isopropylidene-β-D-lyxo-hexoside | 151130-21-1 | C10H18O5 | 218.25 |
—— | methyl 3,4-di-O-isopropylidene-β-D-galactopyranoside | 14897-47-3 | C10H18O6 | 234.249 |
—— | methyl 3,4-O-isopropylidene-6-O-(1-methoxy-1-methylethyl)-β-D-galactopyranoside | 104530-15-6 | C14H26O7 | 306.356 |
Carbohydrate benzylidene and p- methoxybenzylidene acetals are easily prepared by treatment of various sugar derivatives with either benzaldehyde diethyl acetal or p- methoxybenzaldehyde diethyl acetal , respectively, in refluxing chloroform containing camphorsulfonic acid.