按规定使用和存储的这些物质不会分解,并且能避免与氧化物接触。
Α-D-葡萄糖醛酸甲基酯又称为乙酰溴-α-D-葡萄糖酮酸甲基酯,可通过D-葡醛内酯为原料制备。具体步骤如下:首先,由D-葡醛内酯制得D-葡糖醛酸甲酯;接着进行乙酰化反应生成1,2,3,4-四-O-乙酰基-D-葡糖醛酸甲酯;最后通过溴代得到Α-D-葡萄糖醛酸甲基酯。
制备步骤具体制备步骤如下:将15.0g(4mmol)的1,2,3,4-四-O-乙酰基-D-葡糖醛酸甲酯(3)加入到溴化氢的乙酸溶液中,保持温度不超过10℃。随后自然升温至室温并搅拌2小时。反应完成后浓缩至干,并用100mL乙酸乙酯溶解。接着使用碳酸氢钠水溶液洗涤有机相三次,并通过无水硫酸钠干燥过滤。滤液再次浓缩至干后,加入50mL石油醚析出固体。经过过滤得到Α-D-葡萄糖醛酸甲基酯(4),总产量为14.3g,收率为90%。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl (5R)-1,2,3,4-tetra-O-acetyl-5-C-bromo-β-D-glucopyranuronate | 65615-69-2 | C15H19BrO11 | 455.213 |
—— | methyl 2,3,4-tri-O-acetyl-D-glucopyranuronate | —— | C13H18O10 | 334.28 |
D-吡喃葡萄糖醛酸甲酯 1,2,3,4-四乙酸酯 | methyl 1,2,3,4-tetra-O-acetyl-α,β-D-glucopyranosyluronate | 3082-96-0 | C15H20O11 | 376.317 |
1,2,3,4-四-O-乙酰基-Β-D-葡萄糖醛酸甲酯 | (2S,3S,4S,5R,6S)-3,4,5,6-Tetraacetoxy-tetrahydro-pyran-2-carboxylic acid methyl ester | 7355-18-2 | C15H20O11 | 376.317 |
甲基1,2,3,4-四-O-乙酰基-alpha-L-吡喃艾杜糖酸酯 | methyl 1,2,3,4-tetra-O-acetyl-α-L-idopyranuronate | 108032-41-3 | C15H20O11 | 376.317 |
—— | methyl 1,2,3,4-tetraacetyl-α-D-glucopyranuronate | 5432-32-6 | C15H20O11 | 376.317 |
(2S,3S,4R)-3,4-二乙酰氧基-3,4-二氢-2H-吡喃-2-羧酸甲酯 | methyl 3,4-di-O-acetyl-1,2-dideoxy-D-arabino-hex-1-enopyranuronate | 57690-62-7 | C11H14O7 | 258.228 |
D-GLUCURONIDEMETHYLESTERD-葡糖苷酸甲酯 | methyl D-glucopyranuronate | 82228-14-6 | C7H12O7 | 208.168 |
—— | methyl α-D-glucuronate | 28817-88-1 | C7H12O7 | 208.168 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 2,3,4-tri-O-acetyl-D-glucopyranuronate | —— | C13H18O10 | 334.28 |
—— | methyl 2,3,4-tri-O-acetyl-α-D-glucopyranuronate | —— | C13H18O10 | 334.28 |
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 |
乙基2,3,4-三-O-乙酰基-beta-D-葡糖苷酸,甲酯 | methyl (ethyl 2,3,4-tri-O-acetyl-β-D-glucosid)uronate | 77392-66-6 | C15H22O10 | 362.334 |
—— | methyl 1,2,3,4-tetraacetyl-α-D-glucopyranuronate | 5432-32-6 | C15H20O11 | 376.317 |
1,2,3,4-四-O-乙酰基-Β-D-葡萄糖醛酸甲酯 | (2S,3S,4S,5R,6S)-3,4,5,6-Tetraacetoxy-tetrahydro-pyran-2-carboxylic acid methyl ester | 7355-18-2 | C15H20O11 | 376.317 |
—— | methyl 3,4-di-O-acetyl-α-D-glucuronatopyranose exo-1,2-O-(ethyl orthoacetate) | 35906-40-2 | C15H22O10 | 362.334 |
—— | 6-O-(methyl 2',3',4'-tri-O-acetyl-β-D-glucuronatopyranosyl)-1,2;3,4-di-O-isopropylidene-α-D-galactopyranose | 35906-41-3 | C25H36O15 | 576.552 |
(2S,3S,4S,5R,6S)-3,4,5-三乙酰氧基-6-甲硫基四氢吡喃-2-羧酸甲酯 | 2,3,4-Tri-O-acetyl-1-mercaptomethyl-β-D-glucopyranuronsaeure-methylester | 29587-10-8 | C14H20O9S | 364.373 |
苄基beta-D-吡喃葡糖苷酸甲酯三乙酸酯 | methyl (benzyl 2,3,4-tri-O-acetyl-β-D-glucopyranosid)uronate | 3080-47-5 | C20H24O10 | 424.405 |
(2S,3S,4R)-3,4-二乙酰氧基-3,4-二氢-2H-吡喃-2-羧酸甲酯 | methyl 3,4-di-O-acetyl-1,2-dideoxy-D-arabino-hex-1-enopyranuronate | 57690-62-7 | C11H14O7 | 258.228 |
1-叠氮基-1-脱氧-D-半乳糖醛酸酯2,3,4-三乙酸酯甲酯 | 2,3,4-tri-O-acetyl-1-azido-1-deoxy-β-D-glucopyranuronic acid methyl ester | 67776-38-9 | C13H17N3O9 | 359.293 |
—— | methyl (methyl β-D-glucopyranosid)uronate | 18486-38-9 | C8H14O7 | 222.195 |
—— | 2,3,4-tri-O-acetyl-1-O-phenyl-β-D-glucopyranuronic acid methyl ester | 4630-61-9 | C19H22O10 | 410.378 |
—— | methyl 2,3,4-tri-O-acetyl-1-O-(4-phenyl)phenylacetyl-β-D-glucopyranuronate | —— | C27H28O11 | 528.513 |