2-(羟甲基)哌啶-1-甲酸叔丁酯的熔点为74-78°C,沸点为308.0±15.0°C(预测),密度为1.059±0.06 g/cm³(预测),酸度系数(pKa) 为15.08±0.10(预测)。
用途2-(羟甲基)哌啶-1-甲酸叔丁酯及其衍生物具有良好的生物活性,可用于合成GABA 摄入抑制剂、抗肿瘤药,还可用于合成生长激素促分泌素、消炎镇痛药物、心血管药物、促智药物、抗流感病毒药物和骨疾病药物等。
合成方法将三乙胺(23.34 mL,156.42 mmol)逐滴加入二氯甲烷中溶解的2-哌啶甲醇(5.00 g,43.45 mmol)溶液中,并在完全添加后搅拌1小时。随后,在二氯甲烷中溶解的二碳酸二叔丁酯(Boc2O,11.38 g,52.14 mmol)逐滴加入上述溶液中,并在完全添加后继续搅拌数小时。将反应物倒入50 mL水中,用水萃取有机相,并用二氯甲烷(220 mL)进一步萃取水相。使用盐水洗涤合并的有机相,经MgSO4干燥并过滤,然后在真空中除去溶剂。通过硅胶和己烷/EtOAc(1:1)柱层析纯化粗产物,得到白色固体乙醇4(7.865 g,产率84%)。由于存在与氨基甲酸酯相关的旋转体,在1H NMR中出现的几个峰略有展宽。
2-(羟甲基)哌啶-1-甲酸叔丁酯的收率为7.865 g,产率84%,熔点为75-77°C(升至74-78°C)。其1H核磁共振(300 MHz,CDCl₃)谱图显示δ值:4.29(1H,m),3.94(1H、2x br s),3.81(1H;dd,J=10.8,9.1 Hz,CH₂OH),3.61(1H,dd,J=10.5,5.9 Hz,CH₂ OH)、2.87(1H(br t)、2.12(1H)、br s)、1.53-1.73(6H、m)、1.46(9H,s,tBu)。其13C核磁共振(75 MHz,CDCl₃)谱图显示δ值:156.6,80.0,61.9,52.7,40.1,28.6,25.5,25.4,19.8。红外光谱数据为3418,2934,1668 cm⁻¹。质谱(EI)M/z: 215(M+),184,142,128(100%),84,57。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
N-Boc-2-哌啶甲酸 | 1-(tert-butoxycarbonyl)piperidine-2-carboxylic acid | 98303-20-9 | C11H19NO4 | 229.276 |
N-叔丁氧羰基-DL-哌啶酸甲酯 | 1-tert-butyl 2-methyl piperidine-1,2-dicarboxylate | 132910-79-3 | C12H21NO4 | 243.303 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
(S)-N-Boc-2-哌啶甲醇 | tert-butyl (2S)-2-(hydroxymethyl)piperidine-1-carboxylate | 134441-93-3 | C11H21NO3 | 215.293 |
—— | ((1-(tert-butoxycarbonyl)piperidin-2-yl)methoxy)acetic acid | 193086-00-9 | C13H23NO5 | 273.329 |
N-Boc-L-哌啶-2-羧酸 | (S)-(-)-1-(tert-butoxycarbonyl)-2-piperidinecarboxylic acid | 26250-84-0 | C11H19NO4 | 229.276 |
N-Boc-2-哌啶甲酸 | 1-(tert-butoxycarbonyl)piperidine-2-carboxylic acid | 98303-20-9 | C11H19NO4 | 229.276 |
—— | 2-[(2-Ethoxy-2-oxoethoxy)methyl]-1-piperidinecarboxylic acid 1,1-dimethylethyl ester | 193086-02-1 | C15H27NO5 | 301.383 |
2-(3-羟基丙基)哌啶-1-羧酸叔丁酯 | N-Boc-2-piperidinepropanol | 179746-47-5 | C13H25NO3 | 243.346 |
—— | tert-butyl 2-((2-tert-butoxy-2-oxoethoxy)methyl)piperidine-1-carboxylate | 1018826-49-7 | C17H31NO5 | 329.437 |
(S)-2-甲酰基-1-哌啶甲酸叔丁酯 | (S)-1-N-Boc-piperidine-2-al | 150521-32-7 | C11H19NO3 | 213.277 |
1-BOC-2-哌啶甲醛 | tert-butyl 2-formylpiperidine-1-carboxylate | 157634-02-1 | C11H19NO3 | 213.277 |
—— | tert-butyl 2-(3-oxopropyl)piperidine-1-carboxylate | 179746-48-6 | C13H23NO3 | 241.331 |
1-BOC-2-乙烯基-哌啶 | N-(tert-butoxycarbonyl)-2-vinylpiperidine | 176324-61-1 | C12H21NO2 | 211.304 |
—— | Tert-butyl 2-(4,4-dibromobut-3-enyl)piperidine-1-carboxylate | 470669-22-8 | C14H23Br2NO2 | 397.15 |
—— | methyl 1-[(1,1-dimethylethoxy)carbonyl]-2-piperidinepropanoate | 179685-64-4 | C14H25NO4 | 271.357 |
—— | (S)-2-(2-Methoxycarbonyl-ethyl)-piperidine-1-carboxylic acid t-butyl ester | 267888-42-6 | C14H25NO4 | 271.357 |
—— | 2-mercaptomethyl-1-[tert-butoxycarbonyl]piperidine | 364753-77-5 | C11H21NO2S | 231.359 |
—— | Tert-butyl 2-(4-trimethylsilylbut-3-ynyl)piperidine-1-carboxylate | 470669-20-6 | C17H31NO2Si | 309.524 |
—— | tert-butyl 2-(3-ethoxy-3-oxopropyl)piperidine-1-carboxylate | 470668-99-6 | C15H27NO4 | 285.384 |
2-((甲基氨基)甲基)哌啶-1-羧酸叔丁酯 | tert-butyl 2-((methylamino)methyl)piperidine-1-carboxylate | 1245645-35-5 | C12H24N2O2 | 228.335 |
—— | 2-(hydroxyimino-methyl)-piperidine-1-carboxylic acid tert-butyl ester | 863646-44-0 | C11H20N2O3 | 228.291 |
1-Boc-哌啶 | t-butyl piperidinecarboxylate | 75844-69-8 | C10H19NO2 | 185.266 |
—— | 1-O,1-O-diethyl 2-O-[[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-2-yl]methyl] ethene-1,1,2-tricarboxylate | 1133820-71-9 | C20H31NO8 | 413.468 |
—— | Tert-butyl 2-(3-methoxy-3-oxoprop-1-enyl)piperidine-1-carboxylate | 179685-65-5 | C14H23NO4 | 269.341 |
—— | tert-butyl (2S)-2-[(E)-3-methoxy-3-oxoprop-1-enyl]piperidine-1-carboxylate | 212556-98-4 | C14H23NO4 | 269.341 |
—— | ethyl (2E)-3-[1-(tert-butoxycarbonyl)piperidin-2-yl]-2-propenoate | 470668-98-5 | C15H25NO4 | 283.368 |