在指定条件下稳定,远离氧化物。
3-氧代-1-哌嗪羧酸叔丁酯常作为医药化学和有机合成中的中间体,可用于抗高脂血症的咪唑吡啶衍生类药物分子的合成。在有机合成转化中,其结构中的酰胺基团上的氮原子可以进行相应的偶联反应,在氮原子上连接一个芳基基团;3号位的氧原子还可以被硫原子取代得到硫代的哌嗪羧酸叔丁酯。
制备过程如下:在搅拌状态下并保持冰浴冷却条件下,将二碳酸二叔丁酯(2.0毫摩尔、436毫克、1.0当量)分批次缓慢加入到无水二氯甲烷(10.0毫升)中的哌嗪-2-酮(2.0毫摩尔、200毫克、1.0当量)悬浮液中。在室温下搅拌反应混合物过夜,反应完成后可观察到形成均匀的溶液。随后蒸发反应溶剂,并干燥所得到的固体残余物以获得目标产物3-氧代哌嗪-1-甲酸叔丁酯。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-Cbz-2-哌嗪酮 | 4-benzyloxycarbonylpiperazin-2-one | 78818-15-2 | C12H14N2O3 | 234.255 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-甲基-3-氧代-哌嗪-1-羧酸叔丁酯 | tert-butyl 4-methyl-3-oxopiperazine-1-carboxylate | 109384-26-1 | C10H18N2O3 | 214.265 |
1-乙基-4-(叔丁基氧基羰基)哌嗪-2-酮 | tert-butyl 4-ethyl-3-oxopiperazine-1-carboxylate | 194350-95-3 | C11H20N2O3 | 228.291 |
—— | tert-butyl 4-dimethylaminoethyl-3-oxopiperazine-1-carboxylate | 1165800-45-2 | C13H25N3O3 | 271.36 |
—— | tert-butyl 4-(2-amino-2-oxoethyl)-3-oxopiperazine-1-carboxylate | 1951451-63-0 | C11H19N3O4 | 257.29 |
—— | tert-butyl 4-propyl-3-oxopiperazine-1-carboxylate | 1016538-84-3 | C12H22N2O3 | 242.318 |
—— | 1-tert-butoxycarbonyl-4-(2-fluoroethyl)-3-oxopiperazine | 194351-12-7 | C11H19FN2O3 | 246.282 |
—— | 3-oxo-4-(2-pyrrolidin-1-yl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester | 1101840-39-4 | C15H27N3O3 | 297.398 |
—— | Tert-butyl 4-(2-methylpropyl)-3-oxopiperazine-1-carboxylate | 1042904-02-8 | C13H24N2O3 | 256.345 |
—— | 4-butyl-3-oxo-piperazine-l-carboxylic acid tert-butyl ester | 488846-76-0 | C13H24N2O3 | 256.345 |
—— | tert-butyl 4-but-3-enyl-3-oxopiperazine-1-carboxylate | 661470-27-5 | C13H22N2O3 | 254.329 |
4-[(1,1-二甲基乙氧基)羰基]-2-氧代-1-哌嗪乙酸 | 2-(4-(tert-butoxycarbonyl)-2-oxopiperazin-1-yl)acetic acid | 549506-47-0 | C11H18N2O5 | 258.274 |
—— | tert-butyl 3-oxo-4-(3-pyrrolidin-1-yl-propyl)piperazinecarboxylate | 635698-78-1 | C16H29N3O3 | 311.425 |
—— | tert-butyl 4-(cyclopropylmethyl)-3-oxopiperazine-1-carboxylate | 1042904-03-9 | C13H22N2O3 | 254.329 |
—— | Ethyl 4-[(1,1-dimethylethoxy)carbonyl]-2-oxo-1-piperazineacetate | 1198287-13-6 | C13H22N2O5 | 286.328 |
2-甲基-3-氧代哌嗪-1-羧酸叔丁酯 | tert-butyl 2-methyl-3-oxopiperazine-1-carboxylate | 76003-30-0 | C10H18N2O3 | 214.265 |
—— | tert-butyl 4-(oxiran-2-ylmethyl)-3-oxopiperazine-1-carboxylate | 1616064-75-5 | C12H20N2O4 | 256.302 |
—— | tert-butyl 3-oxo-4-(piperidin-4-yl)piperazine-1-carboxylate | 856418-53-6 | C14H25N3O3 | 283.371 |
—— | 2-(4-(tert-butoxycarbonyl)-2-oxopiperazin-1-yl)propanoic acid | 1448189-81-8 | C12H20N2O5 | 272.301 |
—— | 4-(2-hydroxy-3-piperidin-1-yl-propyl)-3-oxo-piperazine-1-carboxylic acid tert-butyl ester | 1101840-70-3 | C17H31N3O4 | 341.451 |
—— | tert-butyl 4-(2-((tert-butyldimethylsilyl)oxy)ethyl)-3-oxopiperazine-1-carboxylate | 786683-69-0 | C17H34N2O4Si | 358.553 |
4-苄基-3-氧代哌嗪-1-羧酸叔丁酯 | tert-butyl 4-benzyl-3-oxopiperazine-1-carboxylate | 78551-60-7 | C16H22N2O3 | 290.362 |
—— | tert-butyl 4-(4-chlorobenzyl)-3-oxopiperazine-1-carboxylate | —— | C16H21ClN2O3 | 324.807 |
—— | tert-butyl 4-(4-bromobenzyl)-3-oxopiperazine-1-carboxylate | 1301198-47-9 | C16H21BrN2O3 | 369.258 |
—— | tert-butyl 4-(4-fluorobenzyl)-3-oxopiperazine-1-carboxylate | 309915-36-4 | C16H21FN2O3 | 308.353 |
—— | tert-butyl 4-(4-cyanobenzyl)-3-oxopiperazine-1-carboxylate | 239072-79-8 | C17H21N3O3 | 315.372 |
—— | tert-butyl 3-oxo-4-phenylpiperazine-1-carboxylate | 845973-49-1 | C15H20N2O3 | 276.335 |
—— | 3-thioxopiperazine-1-carboxylic acid tert-butyl ester | 1182359-40-5 | C9H16N2O2S | 216.304 |
—— | tert-butyl 4-(4-aminophenyl)-3-oxopiperazine-1-carboxylate | 444002-56-6 | C15H21N3O3 | 291.35 |
—— | 3-Oxo-4-pyrimidin-2-yl-piperazine-1-carboxylic acid tert-butyl ester | 1369779-69-0 | C13H18N4O3 | 278.311 |
—— | tert-butyl-3-oxo-4-(pyridin-4-yl)piperazine-1-carboxylate | 1279820-80-2 | C14H19N3O3 | 277.323 |
1-苄基-4-Boc-哌嗪 | 4-benzyl-piperazine-1-carboxylic acid tert-butyl ester | 57260-70-5 | C16H24N2O2 | 276.379 |
—— | tert-butyl 4-(4-bromophenyl)-3-oxopiperazine-1-carboxylate | 1178953-47-3 | C15H19BrN2O3 | 355.231 |
—— | tert-butyl 4-[(1-benzylpiperidin-3-yl)methyl]-3-oxopiperazine-1-carboxylate | 894801-75-3 | C22H33N3O3 | 387.522 |
4-(4-氟苯基)-3-氧代哌啶-1-羧酸叔丁酯 | tert-butyl 4-(4-fluorophenyl)-3-oxopiperazine-1-carboxylate | 1284243-44-2 | C15H19FN2O3 | 294.326 |
—— | tert-butyl 4-(3,4-difluorobenzyl)-3-oxopiperazin-1-carboxylate | 1261279-35-9 | C16H20F2N2O3 | 326.343 |
—— | tert-butyl 4-(4-(methoxycarbonyl)benzyl)-3-oxopiperazine-1-carboxylate | 1190947-32-0 | C18H24N2O5 | 348.399 |