【结 构 式】 |
【分子编号】24076 【品名】heptyl hydroxy(phenyl)carbamate 【CA登记号】 |
【 分 子 式 】C14H21NO3 【 分 子 量 】251.32568 【元素组成】C 66.91% H 8.42% N 5.57% O 19.1% |
与该中间体有关的原料药合成路线共 1 条
合成路线1
该中间体在本合成路线中的序号:(III)2) The condensation of (I) with benzyl-N-hydroxy-N-phenylcarbamate (III) in ethanolic KOH gives 5-[4-(benzyloxycarbonylamino)phenyl]pyrazin-2(1H)-one (IV), which is hydrolyzed witn HBr in acetic acid yielding 5-(4-aminophenyl)pyrazin-2(1H)-one (V). Finally, this compound is acetylated with acetic anhydride.
【1】 Coates, W.J. (SmithKline Beecham plc); 5-(4-Nitrophenyl)-2(1H)-pyrazinones. EP 0096517; US 4514568; US 4556711 . |
【2】 Prous, J.; Castaner, J.; SK&F-94120. Drugs Fut 1986, 11, 2, 129. |
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