Boc-L-谷氨酸-5-甲酯是一种氨基酸类衍生物,分子中同时含有酸性基团和碱性基团。因此,它既能与较强的酸反应,也能与较强的碱反应生成稳定的盐,具有两性化合物的特征。在医药上,主要用来制备复方氨基酸输液,并用于合成多肽药物。
制备在0℃下,向(S)-2-氨基-5-甲氧基-5-氧代戊酸盐酸盐(7.70克,1.0当量)的二氧六环(30毫升)和水(15毫升)溶液中缓慢加入二碳酸二叔丁酯(10.2克,1.2当量),再滴加三乙胺(19.0毫升,3.5当量)。室温下搅拌该混合溶液4小时后,在减压状态下除去溶剂二氧六环。然后用乙醚清洗反应物以去除有机物,并用水相酸化至pH为4。接着用乙酸乙酯萃取水相,将合并的有机相用无水硫酸镁干燥,最后在减压下除去溶剂即可得到目标产物Boc-L-谷氨酸-5-甲酯。
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| 维帕他韦中间体 | (S)-1-tert-butyl 5-methyl 2-(tert-butoxycarbonylamino)pentanedioate | 24277-38-1 | C15H27NO6 | 317.382 |
| (S)-1-5-甲基 2-((叔丁氧基羰基)氨基)戊二酸苄酯 | Boc-Glu(OMe)-OBzl | 132245-78-4 | C18H25NO6 | 351.4 |
| N-叔丁氧羰基-L-谷氨酸 1-苄酯 | Boc-Glu-OBn | 30924-93-7 | C17H23NO6 | 337.373 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| (S)-4-叔丁氧羰基氨基-5-羟基戊酸甲酯 | methyl (4S)-4-[(tert-butoxy)carbonylamino]-5-hydroxypentanoate | 126587-35-7 | C11H21NO5 | 247.291 |
| 维帕他韦中间体 | (S)-1-tert-butyl 5-methyl 2-(tert-butoxycarbonylamino)pentanedioate | 24277-38-1 | C15H27NO6 | 317.382 |
| Boc-L-谷氨酰胺 | Boc-Gln-OH | 13726-85-7 | C10H18N2O5 | 246.263 |
| Boc-L-谷氨酸-1-叔丁酯 | N-tert-butoxycarbonyl glutamic acid tert-butyl ester | 24277-39-2 | C14H25NO6 | 303.356 |
| —— | tert-butyl (S)-2-((tert-butoxycarbonyl)amino)-5-hydroxypentanoate | 90194-99-3 | C14H27NO5 | 289.372 |
| —— | (S)-1-tert-butyl 2-[bis-(tert-butoxycarbonyl)amino]-5-oxopentanoate | 194656-73-0 | C14H25NO5 | 287.356 |
| (S)-(6-氧代四氢-2H-吡喃-3-基)氨基甲酸叔丁酯 | (4S)-4-(N-(tert-Butoxycarbonyl)amino)-5-pentanolide | 125982-23-2 | C10H17NO4 | 215.249 |
| (S)-1-5-甲基 2-((叔丁氧基羰基)氨基)戊二酸苄酯 | Boc-Glu(OMe)-OBzl | 132245-78-4 | C18H25NO6 | 351.4 |
| 5-溴-N-叔丁氧羰基-L-正缬氨酸叔丁酯 | tert-butyl N-tert-butylcarbonyl-2-amino-5-bromopentanoate | 91229-86-6 | C14H26BrNO4 | 352.269 |
| —— | tert-butyl N-Boc-2-amino-5-cyanopentanoate | 672294-57-4 | C15H26N2O4 | 298.382 |
| —— | methyl 4(R)-[(tert-butoxycarbonyl)amino]-oct-7-enoate | —— | C14H25NO4 | 271.357 |
| —— | N-Boc-(2S,3R,4S)-3,4-methanoglutamic acid | 167937-06-6 | C11H17NO6 | 259.259 |
| —— | methyl (S)-3-(2-oxo-1,3-oxazolidin-4-yl)propanoate | 119109-61-4 | C7H11NO4 | 173.169 |
| —— | Methyl (4S)-4-(N-(tert-Butoxycarbonyl)amino)-5-((tert-butyldimethylsilyl)oxy)pentanoate | 96014-55-0 | C17H35NO5Si | 361.554 |
| —— | 4(S)-tert-butoxycarbonylamino-3-oxoheptanedioic acid 1-allyl ester 7-methyl ester | 1027248-96-9 | C16H25NO7 | 343.377 |
| —— | (S)-1-tert-butyl 5-methyl 2-(bis(tert-butoxycarbonyl)amino)pentanedioate | 226985-04-2 | C20H35NO8 | 417.5 |
| —— | tert.-Butoxycarbonyl-(γ-O-methyl-Glu)-Gly | 45265-51-8 | C13H22N2O7 | 318.327 |
| —— | methyl 4(R)-[(tert-butoxycarbonyl)amino]-oct-6,7-dienoate | 250647-30-4 | C14H23NO4 | 269.341 |
| —— | (S)-4-tert-butoxycarbonylamino-6-oxo-undecanoic acid methyl ester | —— | C17H31NO5 | 329.437 |
| —— | (S)-methyl 5-azido-4-((tert-butoxycarbonyl)amino)pentanoate | 330680-83-6 | C11H20N4O4 | 272.304 |
| —— | tert-butyl (2S)-2-{bis[(tert-butoxy)carbonyl]amino}-5-oxopentanoate | 129241-89-0 | C19H33NO7 | 387.474 |
| —— | 7-acetoxy-4-(S)-4-tert-butoxycarbonylamino-6-oxo-heptanoic acid methyl ester | —— | C15H25NO7 | 331.366 |
| —— | Boc-γ-Glu[-Glu(OH)-Gly-OtBu]-OtBu | 945979-62-4 | C25H43N3O10 | 545.631 |
| —— | Boc-Glu(OMe)-Ala-Lol | 610784-30-0 | C20H37N3O7 | 431.53 |