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【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.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 24075 2-chloropyrazine 14508-49-7 C4H3ClN2 详情 详情
(III) 24076 heptyl hydroxy(phenyl)carbamate C14H21NO3 详情 详情
(IV) 24077 heptyl 4-(5-oxo-4,5-dihydro-2-pyrazinyl)phenylcarbamate C18H23N3O3 详情 详情
(V) 24078 4-(4,5-dihydro-2-pyrazinyl)aniline C10H11N3 详情 详情
Extended Information