中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
甲基 BETA-D-呋喃果糖苷 | methyl β-D-fructofuranoside | 13403-14-0 | C7H14O6 | 194.185 |
—— | D-fructose | 10247-46-8 | C6H12O6 | 180.158 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 4-deoxy-β-D-threo-hexulofuranoside | 82064-01-5 | C7H14O5 | 178.185 |
—— | methyl 3,4-anhydro-1,6-bis-O-(p-tolylsulphonyl)-β-D-tagatofuranoside | 79184-47-7 | C21H24O9S2 | 484.548 |
Methyl 1-O-acetyl-6-S-acetyl-3,4-anhydro-6-thio-β-D-tagatofuranoside (the 1-acetate of (2)) and methyl 1-O-acetyl-3,4-anhydro-6-chloro-6-deoxy-β-D-tagatofuranoside (the 1-acetate of (3)) have been prepared as fructose derivatives by treatment of methyl 3,4-anhydro-β-D-tagatofuranoside (1) with (p-dimethylaminophenyl ) diphenylphosphine/diisopropyl azodicarboxylate/thioacetic S-acid and (p- dimethylaminophenyl ) diphenylphosphine/tetrachloromethane respectively. The reactions proceed in good yield, under mild conditions, and are selective for the 6-hydroxy group. The oxiran ring is unaffected under these conditions.