瑞舒伐他汀叔丁酯在常温下是白色或灰白色的固体,并具有一定的吸湿性。因此,在储存时应尽量保持环境干燥,它是药物分子瑞舒伐他汀钙的合成中间体。
制备过程首先,在一个装有氮气鼓风机和机械搅拌器的500毫升烧瓶中加入18.60克不饱和羰基前体化合物、40.5毫升四氢呋喃(THF)和11.5毫升甲醇,形成悬浮液并在室温下搅拌至溶液清澈。
接着,在一个装有机械搅拌器和氮气鼓风机的1000毫升三颈烧瓶中加入232毫升THF和66.5毫升甲醇以形成混合物。随后,逐步加入2.22克四氢硼钠(NaBH4,当量比为2.7),再依次加入24毫升甲氧基-9-BBN(Methoxy-9-BN,当量比为1.1)。在-78°C下搅拌10分钟后,缓慢滴加上述前体化合物的THF溶液,并继续在-78°C下反应1小时。
随后,在该混合物中加入9.3毫升过氧化氢(H2O2,浓度为30%),并让反应体系升温至室温。接下来,在室温条件下搅拌,缓慢添加58毫升乙酸乙酯和174毫升NH4Cl水溶液,分层后进行过滤分离。
最后,用饱和Na2SO3溶液洗涤有机相46毫升,并分别使用116毫升H2O和116毫升NaCl进一步洗涤。经过蒸发至干后即可得到目标产物瑞舒伐他汀叔丁酯。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | tert-butyl (5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidine-5-yl)-5-hydroxy-3-oxo-hept-6-enoate | 910867-13-9 | C26H34FN3O6S | 535.637 |
瑞舒伐他汀5-氧代酸叔丁基酯 | (+)-(3R)-7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-3-hydroxy-5-oxo-(6E)-heptenoic acid tert-butyl ester | 615556-96-2 | C26H34FN3O6S | 535.637 |
6-[(1E)-2-[4-(4-氟苯基)-6-异丙基-2-[甲基(甲磺酰)氨基]-5-嘧啶]乙烯基]-2,2-二甲基-1,3-二氧六环-4-乙酸叔丁酯 | tert-butyl [(4R,6S)-6-{(E)-2-[4-(4-fluorophenyl)-2-[methyl(methylsulfonyl)amino]-6-(propan-2-yl)pyrimidin-5-yl]ethenyl}-2,2-dimethyl-1,3-dioxan-4-yl]acetate | 289042-12-2 | C29H40FN3O6S | 577.718 |
—— | tert-butyl-6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate | 1007871-85-3 | C29H40FN3O6S | 577.718 |
—— | tert-butyl (6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(isopropyl)pyrimidin-5-yl]-3,5-dioxohept-6-enoate | —— | C26H32FN3O6S | 533.621 |
—— | tertiary butyl 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-(E)-6-heptenoate | 676256-39-6 | C32H48FN3O6SSi | 649.9 |
—— | tert-butyl 2-((4R,6S)-6-((E)-2-(4-(4'-fluorophenyl)-6-isopropyl-2-(methylamino)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate | 1207460-27-2 | C28H38FN3O4 | 499.626 |
4-(4-氟苯基)-6-异丙基-2-[(N-甲基-N-甲磺酰)氨基]嘧啶-5-甲醛 | N-[4-(4-fluorophenyl)-5-formyl-6-isopropylpyrimidin-2-yl]-N-methylmethanesulfonamide | 147118-37-4 | C16H18FN3O3S | 351.402 |
5-(溴甲基)-4-(4-氟苯基)-6-异丙基-2-[甲基(甲磺酰)氨基]嘧啶 | N-(5-(bromomethyl)-4-(4-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide | 799842-07-2 | C16H19BrFN3O2S | 416.314 |
—— | N-(5-((4,4'-methylphenylphosphoryl)-methyl)-4-(4-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide | —— | C30H33FN3O3PS | 565.648 |
瑞舒伐他汀钙中间体RSB-3 | 6-(4'-fluoro)phenyl-2-hydroxy-4-isopropyl-5-methoxycarbonylpyrimidine | 488798-37-4 | C15H15FN2O3 | 290.294 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
罗伐他汀 | rosuvastatin | 287714-41-4 | C22H28FN3O6S | 481.545 |
(3R,5R)-罗伐他汀 | (E)-(3R,5R)-7-[4-(4-fluoro-phenyl)-6-isopropyl-2-(methanesulfonyl-methyl-amino)-pyrimidin-5-yl]-3,5-dihydroxy-hept-6-enoic acid | 1094100-06-7 | C22H28FN3O6S | 481.545 |
瑞舒伐他汀内酯 | Rosuvastatin lactone | 503610-43-3 | C22H26FN3O5S | 463.53 |
瑞舒伐他汀5-氧代酸叔丁基酯 | (+)-(3R)-7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-3-hydroxy-5-oxo-(6E)-heptenoic acid tert-butyl ester | 615556-96-2 | C26H34FN3O6S | 535.637 |
瑞舒伐他汀杂质钠盐(5氧瑞舒伐他汀钠盐) | rosuvastatin impurity C | 1422619-13-3 | C22H26FN3O6S | 479.529 |