在0℃条件下,向干燥的反应烧瓶中加入二氯亚砜(1.105克,677微升,30.968毫摩尔,4当量)和4-哌啶甲酸(1克),溶解于无水乙醇(12毫升)。随后将所得混合物恢复至室温,并加热至回流状态,保持搅拌反应7小时。反应结束后,将反应混合物冷却至室温,然后在真空下除去溶剂乙醇,残留物用水和乙酸乙酯进行萃取。分离有机层并用无水硫酸钠干燥处理后,过滤去除干燥剂并将滤液再次浓缩。最后,通过硅胶柱层析法纯化所得残余物,即可得到目标产物分子。
用途该方法用于有机合成及药物合成。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-哌啶甲酸 | isonipecotic acid | 498-94-2 | C6H11NO2 | 129.159 |
1-乙酰基哌啶-4-羧酸乙酯 | 1-acetyl-piperidine-4-carboxylic acid ethyl ester | 69001-10-1 | C10H17NO3 | 199.25 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-甲基-4-哌啶甲酸乙酯 | ethyl 1-methylisonipecotate | 24252-37-7 | C9H17NO2 | 171.239 |
—— | ethyl 1-butylpiperidine-4-carboxylate | 74045-89-9 | C12H23NO2 | 213.32 |
1-乙基-4-哌啶羧酸乙酯 | 1-Ethyl-isonipecotinsaeure-ethylester | 24252-38-8 | C10H19NO2 | 185.266 |
—— | 1-propyl-piperidine-4-carboxylic acid ethyl ester | 24224-33-7 | C11H21NO2 | 199.293 |
4-甲基-4-哌啶甲酸乙酯 | ethyl 4-methylpiperidine-4-carboxylate | 103039-88-9 | C9H17NO2 | 171.239 |
—— | 1-(3,3-dimethyl-butyl)-piperidine-4-carboxylic acid ethyl ester | 877858-34-9 | C14H27NO2 | 241.374 |
—— | 3-(4-(ethoxycarbonyl)piperidin-1-yl)propylamine | —— | C11H22N2O2 | 214.308 |
—— | ethyl 1-heptylpiperidine-4-carboxylate | 24228-38-4 | C15H29NO2 | 255.401 |
乙基1-氨基哌啶-4-羧酸酯 | ethyl 1-aminopiperidine-4-carboxylate | 6241-81-2 | C8H16N2O2 | 172.227 |
—— | ethyl 1-(3-methoxypropyl) piperidine-4-carboxylate | 1249604-45-2 | C12H23NO3 | 229.32 |
—— | 1-(isopropyl)piperidine-4-carboxylic acid ethyl ester | 154348-17-1 | C11H21NO2 | 199.293 |
—— | ethyl 4-ethylpiperidine-4-carboxylate | 874440-86-5 | C10H19NO2 | 185.266 |
—— | ethyl 1-formylpiperidine-4-carboxylate | —— | C9H15NO3 | 185.223 |
1-(2-氯乙基)哌啶-4-甲酸乙酯 | ethyl 1-(2-chloroethyl)piperidine-4-carboxylate | 869112-14-1 | C10H18ClNO2 | 219.711 |
—— | ethyl 1-(prop-2-yn-1-yl)piperidine-4-carboxylate | 451495-08-2 | C11H17NO2 | 195.261 |
—— | ethyl 1-(2-methoxy-ethyl)-isonipecotate | 193537-79-0 | C11H21NO3 | 215.293 |
—— | 1-Thioformyl-piperidine-4-carboxylic acid ethyl ester | 107046-83-3 | C9H15NO2S | 201.29 |
—— | ethyl 1-(2-dimethylaminoethyl)piperidine-4-carboxylate | 100385-00-0 | C12H24N2O2 | 228.335 |
—— | diethyl 1,1'-(ethane-1,2-diyl)bis(piperidine-4-carboxylate) | —— | C18H32N2O4 | 340.463 |
—— | ethyl 1-(3,3,3-trifluoropropyl)piperidine-4-carboxylate | 1046788-57-1 | C11H18F3NO2 | 253.265 |
—— | [4-(ethoxycarbonyl)piperidin-1-yl]acetic acid | 224456-41-1 | C10H17NO4 | 215.249 |
乙基奎宁环-4-羧酸酯 | azabicyclo[2.2.2]octane-4-carboxylic acid ethyl ester | 22766-68-3 | C10H17NO2 | 183.25 |
4-哌啶甲酸 | isonipecotic acid | 498-94-2 | C6H11NO2 | 129.159 |
1-乙酰基哌啶-4-羧酸乙酯 | 1-acetyl-piperidine-4-carboxylic acid ethyl ester | 69001-10-1 | C10H17NO3 | 199.25 |
—— | ethyl 1-(2,2,2-trifluoroethyl)piperidine-4-carboxylate | 937603-12-8 | C10H16F3NO2 | 239.238 |
—— | ethyl N-cyclopentyl-4-piperidinecarboxylate | 733783-96-5 | C13H23NO2 | 225.331 |
—— | (rac)-1-oxiran-2-ylmethyl-piperidine-4-carboxylic acid ethyl ester | 187084-47-5 | C11H19NO3 | 213.277 |
—— | Ethyl 1-[(2S)-2-oxiranylmethyl]-4-piperidinecarboxylate | 187084-45-3 | C11H19NO3 | 213.27 |
—— | ethyl 1-(2-methoxy-2-oxoethyl) piperidine-4-carboxylate | 71172-59-3 | C11H19NO4 | 229.276 |
乙基1-硫代氨基甲酰-4-哌啶羧酸酯 | ethyl 1-(aminocarbonothioyl)piperidine-4-carboxylate | 675149-01-6 | C9H16N2O2S | 216.304 |
—— | ethyl 1-(2-morpholinoethyl)piperidine-4-carboxylate | —— | C14H26N2O3 | 270.372 |
—— | ethyl 1-(chlorocarbonyl)piperidine-4-carboxylate | 206182-52-7 | C9H14ClNO3 | 219.668 |
[1,4]Bi哌啶基-4-羧酸乙酯 | ethyl (1,4'-bipiperidine)-4-carboxylate | 344779-08-4 | C13H24N2O2 | 240.346 |
N-乙酸乙酯-4-哌啶甲酸乙酯 | ethyl N-ethoxycarbonylmethyl-4-piperidinecarboxylate | 1838-39-7 | C12H21NO4 | 243.303 |
—— | 4-(ethoxycarbonyl)-1-(trimethylsilyl)piperidine | 183994-40-3 | C11H23NO2Si | 229.395 |
—— | ethyl 1-acryloylpiperidine-4-carboxylate | 845907-79-1 | C11H17NO3 | 211.261 |
—— | Ethyl 1-glycylpiperidine-4-carboxylate | 443686-53-1 | C10H18N2O3 | 214.265 |
—— | Ethyl 1-(2-fluoroacetyl)piperidine-4-carboxylate | 1034093-87-2 | C10H16FNO3 | 217.24 |
1-(2-氯乙酰基)-4-哌啶甲酸乙酯 | ethyl 1-(2-chloroacetyl)piperidine-4-carboxylate | 318280-71-6 | C10H16ClNO3 | 233.695 |
—— | ethyl 1-(cyclohex-3-en-1-ylmethyl)piperidine-4-carboxylate | —— | C15H25NO2 | 251.369 |
1-(2-溴乙酰基)哌啶-4-羧酸乙酯 | 1-(bromoacetyl)-4-piperidinecarboxylic acid ethyl ester | 102302-12-5 | C10H16BrNO3 | 278.146 |
—— | ethyl 1-propioloylpiperidine-4-carboxylate | —— | C11H15NO3 | 209.245 |
—— | ethyl 4-butylpiperidine-4-carboxylate | 312638-85-0 | C12H23NO2 | 213.32 |
1-甲基哌啶-4-甲酸 | 1-methylpiperidine-4-carboxylic acid | 68947-43-3 | C7H13NO2 | 143.186 |
—— | ethyl 1-pivaloylpiperidine-4-carboxylate | 768290-38-6 | C13H23NO3 | 241.331 |
—— | ethyl 1-(methylcarbamoyl)piperidine-4-carboxylate | 67626-47-5 | C10H18N2O3 | 214.265 |
—— | 8-methyl-2-oxa-8-aza-spiro[4.5]decan-1-one | —— | C9H15NO2 | 169.224 |
—— | ethyl 1-methoxycarbonyl-4-piperidinecarboxylate | 439944-43-1 | C10H17NO4 | 215.249 |
—— | 1-cyclopropylformyl-4-piperidine carboxylic acidethyl ester | 135136-38-8 | C12H19NO3 | 225.288 |
—— | ethyl 1-(3-oxobutanoyl)-piperidine-4-carboxylate | 331713-79-2 | C12H19NO4 | 241.287 |
1-乙基哌啶-4-羧酸盐酸盐 | N-ethylisonipecotic acid | 90204-94-7 | C8H15NO2 | 157.213 |
—— | 1-hydrazinocarbonyl-piperidine-4-carboxylic acid ethyl ester | 1268692-86-9 | C9H17N3O3 | 215.252 |
1-(二甲基氨基甲酰)哌啶-4-羧酸乙酯 | ethyl 1-(N,N-Dimethylcarbamoyl)-4-piperidinecarboxylate | 333985-78-7 | C11H20N2O3 | 228.291 |
4-乙基哌啶-4-羧酸盐酸盐 | 4-ethylpiperidine-4-carboxylic acid | 1227465-48-6 | C8H15NO2 | 157.213 |
—— | Ethyl 1-(4-phenylbutyl)-4-piperidinecarboxylate | 24228-42-0 | C18H27NO2 | 289.418 |
—— | Ethyl 1-[(ethylamino)carbonothioyl]piperidine-4-carboxylate | 1018224-77-5 | C11H20N2O2S | 244.358 |
—— | 1-(3-Phenylpropyl)-isonipecotinsaeure-ethylester | 21327-50-4 | C17H25NO2 | 275.391 |
—— | 1-(3-methoxy-propyl)-piperidin-4-carboxylic acid | 1178961-95-9 | C10H19NO3 | 201.266 |
—— | 1-[(diethylamino)carbonyl]-4-piperidine-carboxylic acid ethyl ester | 117022-78-3 | C13H24N2O3 | 256.345 |
N-(2-苯乙基)-4-哌啶甲酸乙酯 | 1-(phenylethyl)-4-(ethoxycarbonyl)piperidine | 24228-41-9 | C16H23NO2 | 261.364 |
—— | Ethyl 1-(3-phenylprop-2-enyl)piperidine-4-carboxylate | 24224-32-6 | C17H23NO2 | 273.375 |
N-异丙基-4-哌啶甲酸 | 1-isopropylpiperidine-4-carboxylic acid | 280771-97-3 | C9H17NO2 | 171.239 |
—— | 1-cyclopropylmethylpiperidine-4-carboxylic acid | —— | C10H17NO2 | 183.25 |
1-苄基-4-哌啶甲酸乙酯 | N-benzyl isonipecotic acid ethyl ester | 24228-40-8 | C15H21NO2 | 247.337 |
1-(甲基磺酰基)-4-哌啶羧酸乙酯 | 1-methanesulfonylpiperidine-4-carboxylic acid ethyl ester | 217487-18-8 | C9H17NO4S | 235.304 |
—— | 1-(1-methyl-cyclopropanecarbonyl)-piperidine-4-carboxylic acid ethyl ester | 1198281-32-1 | C13H21NO3 | 239.315 |
—— | 1-allyl 4-ethyl piperidine-1,4-dicarboxylate | —— | C12H19NO4 | 241.287 |
—— | 1-[2-(4-hydroxy-phenoxy)-ethyl]-piperidine-4-carboxylic acid ethyl ester | 841200-56-4 | C16H23NO4 | 293.363 |
N-Boc-4-哌啶甲酸乙酯 | 1-tert-butyl 4-ethyl piperidine-1,4-dicarboxylate | 142851-03-4 | C13H23NO4 | 257.33 |
1-苯基-4-哌啶羧酸乙酯 | ethyl 1-phenylpiperidine-4-carboxylate | 247022-37-3 | C14H19NO2 | 233.31 |
—— | Ethyl 1-(cyclohexylcarbonyl)piperidine-4-carboxylate | —— | C15H25NO3 | 267.368 |
1-((吡啶-4-基)甲基)哌啶-4-甲酸乙酯 | 1-Pyridin-4-ylmethylpiperidine-4-carboxylic acid ethyl ester | 138030-54-3 | C14H20N2O2 | 248.325 |