2,4-二哌啶酮-1-甲酸叔丁酯是苯氧甲基-二氢噻唑并吡啶酮衍生物合成中的关键反应物,并作为代谢型谷氨酸5(mGlu5)受体的选择性正构调节剂(PAM)。
用途2,4-二哌啶酮-1-甲酸叔丁酯主要用作有机中间体和医药中间体,广泛应用于实验室研发过程及化工医药合成中。
制备 步骤a向冰浴冷却的3-(叔丁氧基羰基氨基)丙酸(189.2g, 1.0mol),梅尔达姆酸(144.1g, 1.0mol)和DMAP(135.0g, 1.1mol)的DMF(400mL)溶液中加入EDCI(191.7g, 1.0mol)。所得反应物在室温下搅拌过夜。反应用200mL H2O淬灭,然后将混合物在机械搅拌下滴加到H2O(2.0L)中。过滤所得固体并用水充分洗涤至pH7,得到产物(283g,90%收率)。
步骤b将3-(2,2-二甲基-4,6-二氧代-1,3-二噁烷-5-基)-3-氧代丙基氨基甲酸叔丁酯(100g, 317.46mmol)的甲苯(1500mL)溶液在100℃下加热4小时。将反应物冷却至室温,减压浓缩得到粗产物。通过MTBE-研磨纯化,最终得到产物(56g,83%产率)。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-羟基-2-氧代哌啶-1-羧酸叔丁酯 | tert-butyl 4-hydroxy-2-oxopiperidine-1-carboxylate | 1245646-10-9 | C10H17NO4 | 215.249 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-羟基-2-氧代哌啶-1-羧酸叔丁酯 | tert-butyl 4-hydroxy-2-oxopiperidine-1-carboxylate | 1245646-10-9 | C10H17NO4 | 215.249 |
5-乙基-2,4-二氧杂哌啶-1-羧酸叔丁酯 | tert-butyl 5-ethyl-2,4-dioxopiperidine-1-carboxylate | 845267-80-3 | C12H19NO4 | 241.287 |
—— | tert-butyl 5-allyl-2,4-dioxopiperidine-1-carboxylate | 1552314-66-5 | C13H19NO4 | 253.298 |
3-溴-2,4-二氧代哌啶-1-羧酸叔丁基酯 | tert-butyl 3-bromo-2,4-dioxopiperidine-1-carboxylate | 1312412-87-5 | C10H14BrNO4 | 292.129 |
—— | tert-butyl 5-((S)-4-bromo-3-methylbutyl)-2,4-dioxopiperidine-1-carboxylate | 1552316-67-2 | C15H24BrNO4 | 362.264 |
—— | tert-butyl 5-((R)-4-bromo-2-methylbutyl)-2,4-dioxopiperidine-1-carboxylate | 1552316-68-3 | C15H24BrNO4 | 362.264 |
—— | tert-butyl 5-((R)-4-azido-2-methylbutyl)-2,4-dioxopiperidine-1-carboxylate | 1552316-70-7 | C15H24N4O4 | 324.38 |
—— | tert-butyl 5-(2-methylallyl)-2,4-dioxopiperidine-1-carboxylate | 1552315-77-1 | C14H21NO4 | 267.325 |
—— | tert-butyl 5-(but-2-yn-1-yl)-2,4-dioxopiperidine-1-carboxylate | 1552315-01-1 | C14H19NO4 | 265.309 |
—— | tert-butyl 2,4-dioxo-3-(2-oxopropyl)piperidine-1-carboxylate | 1415042-75-9 | C13H19NO5 | 269.298 |
—— | tert-butyl 5-(2-(2-azidoethoxy)ethyl)-2,4-dioxopiperidine-1-carboxylate | 1552316-32-1 | C14H22N4O5 | 326.352 |
—— | tert-butyl 3-(2-cyclopropyl-2-oxoethyl)-2,4-dioxopiperidine-1-carboxylate | 1415042-76-0 | C15H21NO5 | 295.335 |
—— | (Z)-tert-butyl 5-(4-((tert-butoxycarbonyl)(methyl)amino)-3-methylbut-2-en-1-yl)-2,4-dioxopiperidine-1-carboxylate | 1552316-62-7 | C21H34N2O6 | 410.511 |
—— | (Z)-tert-butyl 5-(4-((tert-butoxycarbonyl)(methyl)amino)-2-methylbut-2-en-1-yl)-2,4-dioxopiperidine-1-carboxylate | 1552316-61-6 | C21H34N2O6 | 410.511 |
—— | tert-butyl 5-((R)-4-((R)-1,1-dimethylethylsulfmamido)pent-2-yn-1-yl)-2,4-dioxopiperidine-1-carboxylate | 1552315-57-7 | C19H30N2O5S | 398.524 |
—— | tert-butyl 5-(4-chlorobenzyl)-2,4-dioxopiperidine-1-carboxylate | 1552315-92-0 | C17H20ClNO4 | 337.803 |
2-氧代-5,6-二氢吡啶-1(2H)-羧酸叔丁酯 | tert-butyl 6-oxo-3,6-dihydropyridine-1(2H)-carboxylate | 128372-89-4 | C10H15NO3 | 197.234 |