Vecuronium bromide and its advanced intermediates: A crystallographic and spectroscopic study
作者:Samuele Ciceri、Diego Colombo、Patrizia Ferraboschi、Paride Grisenti、Marco Iannone、Matteo Mori、Fiorella Meneghetti
DOI:10.1016/j.steroids.2021.108928
日期:2021.12
commercially available 3β-hydroxy-5α-androstan-17-one (epiandrosterone), implementing some modifications to a traditional synthetic procedure. A careful NMR study allowed the complete assignment of the 1H, 13C, and 15N NMR signals of vecuronium bromide and its synthetic intermediates. The structural and stereochemical characterization of 2β,16β-bispiperidino-5α-androstane-3α,17β-diol, the first advanced synthetic
维库溴铵 (Piperidinium, 1-[(2β,3α,5α,16β,17β)-3,17-bis(acetyloxy)-2-(1-piperidinyl)androstan-16-yl]-1-methyl-, bromide; Norcuron®) 自 1982 年投放市场以来,已作为神经肌肉阻滞剂广泛用于麻醉学实践。然而,仍然缺乏对其先进合成中间体的详细晶体学和 NMR 分析。因此,为了填补这一文献空白,维库溴铵从市售的 3β-羟基-5α-androstan-17-one(表雄酮)开始制备,对传统合成程序进行了一些修改。仔细的 NMR 研究允许完全分配1 H、13 C 和15维库溴铵及其合成中间体的 N NMR 信号。2β,16β-bispiperidino-5α-androstane-3α,17β-diol 是第一个在最终构型中携带所有立体中心的先进合成中间体的结构和立体化学表征,通过单晶