1-叔丁氧碳基-3-吡咯烷酮在常温常压下为黄白色固体,可溶于大部分有机溶剂但不溶于水。由于分子内含有较多的碳氢键,它具有一定的疏水性,并且对乙醚、乙腈和二甲基甲酰胺(DMF)等极性较弱的有机溶剂有良好的溶解性。Boc保护基可以在弱酸或强酸条件下被去除,从而使保护的氨基官能团重新暴露出来。此外,该化合物在溶液中pH值的影响下较为稳定,在较酸性的环境中(pH < 2),Boc保护基可能会发生水解反应;而在中性或稍微酸性的环境中(pH 4-6),1-叔丁氧碳基-3-吡咯烷酮可以相对稳定地存在。
用途1-叔丁氧碳基-3-吡咯烷酮是起始原料,也是有机合成的有用中间体。
合成方法在一个干燥的500毫升反应烧瓶中,将3-羟基吡咯烷-1-羧酸叔丁酯(10 g, 54 mmol)溶解在二氯甲烷溶液(300 mL)中,并分三次缓慢地加入Dess-Martin氧化剂(45.9 g, 108 mmol)。将所得的反应混合物在室温下搅拌反应16小时。反应结束后,以乙酸乙酯为洗脱剂通过硅藻土过滤除去不溶性固体,所得滤液在真空下除去溶剂,并通过硅胶柱色谱进行分离纯化,以0-8%乙酸乙酯/正己烷梯度洗脱,最终得到目标产物1-叔丁氧碳基-3-吡咯烷酮(9.8 g, 产率97%)。
图:1-叔丁氧碳基-3-吡咯烷酮的合成路线
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
(S)-1-N-叔丁氧羰基-3-羟基吡咯烷 | tert-butyl (S)-3-hydroxypyrrolidine-1-carboxylate | 101469-92-5 | C9H17NO3 | 187.239 |
1-Boc-3-羟基吡咯烷 | N-(tert-butoxycarbonyl)-3-hydroxypyrrolidine | 103057-44-9 | C9H17NO3 | 187.239 |
(R)-1-Boc-3-羟基吡咯烷 | (R)-N-tert-butyloxycarbonyl-3-pyrrolidinol | 109431-87-0 | C9H17NO3 | 187.239 |
3-(叔丁氧基羰基-乙氧基羰基甲基-氨基)-丙酸乙酯 | ethyl 3-((tert-butoxycarbonyl)(2-ethoxy-2-oxoethyl)amino)propanoate | 146256-97-5 | C14H25NO6 | 303.356 |
3-氨基吡咯烷-1-羧酸叔丁酯 | 3-amino-1-(t-butoxycarbonyl)pyrrolidine | 186550-13-0 | C9H18N2O2 | 186.254 |
N-BOC-4-氧代-3-吡咯烷甲酸乙酯 | 1-tert-butyl 3-ethyl 4-oxopyrrolidine-1,3-dicarboxylate | 146256-98-6 | C12H19NO5 | 257.287 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | tert-butyl 3-methyl-4-oxopyrrolidine-1-carboxylate | 885102-34-1 | C10H17NO3 | 199.25 |
N-Boc-3-氟-4-氧代吡咯烷 | tert-butyl 3-fluoro-4-oxopyrrolidine-1-carboxylate | 845894-03-3 | C9H14FNO3 | 203.213 |
3-乙酰基-4-氧代-吡咯烷-1-羧酸叔丁酯 | tert-butyl 3-acetyl-4-oxopyrrolidine-1-carboxylate | 951127-34-7 | C11H17NO4 | 227.26 |
(S)-1-N-叔丁氧羰基-3-羟基吡咯烷 | tert-butyl (S)-3-hydroxypyrrolidine-1-carboxylate | 101469-92-5 | C9H17NO3 | 187.239 |
(R)-1-Boc-3-羟基吡咯烷 | (R)-N-tert-butyloxycarbonyl-3-pyrrolidinol | 109431-87-0 | C9H17NO3 | 187.239 |
1-Boc-3-羟基吡咯烷 | N-(tert-butoxycarbonyl)-3-hydroxypyrrolidine | 103057-44-9 | C9H17NO3 | 187.239 |
3-氨基吡咯烷-1-羧酸叔丁酯 | 3-amino-1-(t-butoxycarbonyl)pyrrolidine | 186550-13-0 | C9H18N2O2 | 186.254 |
(s)-(-)-N-叔丁氧羰基-3-氨基吡咯烷 | (3S)-3-amino-1-(tert-butoxycarbonyl)-pyrrolidine | 147081-44-5 | C9H18N2O2 | 186.254 |
(R)-1-Boc-3-氨基吡咯烷 | (R)-3-aminopyrrolidine-1-carboxylic acid tert-butyl ester | 147081-49-0 | C9H18N2O2 | 186.254 |
3-((二甲基氨基)亚甲基)-4-氧代吡咯烷-1-羧酸叔丁酯 | tert-butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate | 157327-42-9 | C12H20N2O3 | 240.302 |
—— | tert-butyl (E)-3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate | 905274-02-4 | C12H20N2O3 | 240.302 |
—— | tert-butyl (3Z)-3-(dimethylaminomethylene)-4-oxo-pyrrolidine-1-carboxylate | 905274-02-4 | C12H20N2O3 | 240.302 |
3-亚甲基吡咯烷-1-羧酸叔丁酯 | tert-butyl 3-methylenepyrrolidine-1-carboxylate | 114214-71-0 | C10H17NO2 | 183.25 |
(R)-1-叔丁氧羰基-3-(氨基甲基)吡咯烷 | tert-butyl 3-(aminomethyl)pyrrolidine-1-carboxylate | 270912-72-6 | C10H20N2O2 | 200.281 |
1-BOC-吡咯烷-3-乙醇 | tert-butyl 3-(2-hydroxyethyl)pyrrolidine-1-carboxylate | 160132-54-7 | C11H21NO3 | 215.293 |
3-氰基甲基吡咯烷-1-羧酸丁酯 | tert-butyl 3-(cyanomethyl)pyrrolidine-1-carboxylate | 142253-46-1 | C11H18N2O2 | 210.276 |
N-BOC-4-氧代-3-吡咯烷甲酸乙酯 | 1-tert-butyl 3-ethyl 4-oxopyrrolidine-1,3-dicarboxylate | 146256-98-6 | C12H19NO5 | 257.287 |
1-Boc-3-氰基吡咯烷 | tert-butyl 3-cyanopyrrolidine-1-carboxylate | 476493-40-0 | C10H16N2O2 | 196.249 |
1-Boc-3-甲氨基吡咯烷 | tert-butyl 3-(methylamino)pyrrolidine-1-carboxylate | 454712-26-6 | C10H20N2O2 | 200.281 |
(R)-3-(甲基氨基)吡咯烷-1-甲酸叔丁酯 | tert-butyl (3R)-3-(methylamino)pyrrolidine-1-carboxylate | 199336-83-9 | C10H20N2O2 | 200.281 |
3-甲氨基-1-BOC吡咯烷 | tert-butyl (3S)-3-(methylamino)pyrrolidine-1-carboxylate | 147081-59-2 | C10H20N2O2 | 200.281 |