中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1,2,3,4-四-O-乙酰基-β-D-葡萄吡喃糖 | 1,2,3,4-tetra-O-acetyl-β-D-glucopyranose | 13100-46-4 | C14H20O10 | 348.307 |
α-D(+)-五乙酰葡萄糖 | α-D-glucopyranose peracetylate | 604-68-2 | C16H22O11 | 390.344 |
1,6-脱水-β-D-葡萄糖 | levoglucosan | 498-07-7 | C6H10O5 | 162.142 |
双丙酮葡萄糖 | 1,2:5,6-di-O-isopropylidene-α-D-glucofuranose | 582-52-5 | C12H20O6 | 260.287 |
D-葡萄糖 | D-glu | 2280-44-6 | C6H12O6 | 180.158 |
—— | 1,2,3,4-tetra-O-acetyl-6-O-trityl-β-D-glucopyranose | 37074-90-1 | C33H34O10 | 590.627 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1,6-anhydro-2,4-di-O-acetyl-β-D-glucopyranose | 23740-49-0 | C10H14O7 | 246.217 |
—— | 1,6-anhydro-4-O-acetyl-β-D-glucopyranose | 93173-18-3 | C8H12O6 | 204.18 |
1,2,3,4,6-alpha-D-葡萄糖五乙酸酯 | D-glucose pentaacetate | 83-87-4 | C16H22O11 | 390.344 |
β-D-葡萄糖五乙酸酯 | β-D-glucose pentaacetate | 604-69-3 | C16H22O11 | 390.344 |
α-D(+)-五乙酰葡萄糖 | α-D-glucopyranose peracetylate | 604-68-2 | C16H22O11 | 390.344 |
甲基 2,3,4-三-O-乙酰基-beta-D-葡萄糖醛酸甲酯 | methyl (methyl 2,3,4-tri-O-acetyl-β-D-glucopyranosid)uronate | 34213-34-8 | C14H20O10 | 348.307 |
1,6-脱水-β-D-葡萄糖 | levoglucosan | 498-07-7 | C6H10O5 | 162.142 |
十六烷基4-氯-3-[2-(5,5-二甲基-2,4-二羰基-1,3-噁唑烷-3-基)-4,4-二甲基-3-羰基五酰氨基]苯酸酯 | 1,6-anhydro-(6S)-2,3,4-tri-O-acetyl-6-bromo-β-D-glucopyranose | 74774-10-0 | C12H15BrO8 | 367.15 |
1,6-酸酐-2,3,4-三-O-苄基-β-D-吡喃葡萄糖 | 1,6-anhydro-2,3,4-tri-O-benzyl-β-D-glucopyranose | 10548-46-6 | C27H28O5 | 432.516 |
1,6-脱水-2,4-O-苯基-Β-D-吡喃葡萄糖 | 1,6-anhydro-2,4-di-O-benzyl-β-D-glucopyranose | 33208-48-9 | C20H22O5 | 342.392 |
N-{5-[(5-{[(3Z)-3-氨基-3-亚氨基-1-甲基丙基]氨基甲酰}-1-甲基-1H-吡咯-3-基)氨基甲酰]-1-甲基-1H-吡咯-3-基}-4-{[N-(二氨基甲亚基)甘氨酰]氨基}-1-甲基-1H-吡咯-2-甲酰胺二盐酸 | (6R)-2,3,4,-tri-O-acetyl-1,6-anhydro-6-phenylthio-β-D-glucopyranose | 74774-11-1 | C18H20O8S | 396.418 |
Starting 1,2,3,4-tetra-
Hydrolysis of methyl 6-chloro-6-deoxy-2,3,4-tri-O-methyl-α-D-glucopyranoside (19b) and Swern oxidation of the resulting anomeric hemiacetals (20) gave 6-chloro-6-deoxy-2,3,4-tri-O-methyl-D-glucono-1,5-lactone (21), treatment of which with 1,2-bis( trimethylsilyloxy )ethane in the presence of trimethylsilyl trifluoromethanesulfonate gave 6-chloro-1,6-dideoxy-1,1-ethylenedioxy-2,3,4-tri-O-methyl-D-glucopyranose (23a). Conversion of (23a) into the corresponding 6-iodo compound (23b) and treatment of this with 1,8-diazabicyclo[5.4.0]undec-7-ene afforded the enolic ortho ester 1,6-dideoxy-1,1-ethylenedioxy-2,3,4-tri-O-methyl-D-xylo-hex-5-enopyranose (26). Reaction of (26) with methylmagnesium iodide, or with titanium tetrachloride, gave (1R,6S,7R,8R,9S)-7,8,9-trimethoxy-6-methyl-2,5-dioxabicyclo[4.3.1]decan-1-ol (34), or (2S,3R,4R)-5,5-ethylenedioxy-2,3,4-trimethoxycyclohexanone (28), respectively.