[EN] NOVEL POTASSIUM CHANNEL MODULATORS<br/>[FR] NOUVEAUX MODULATEURS DES CANAUX POTASSIUM
申请人:POSEIDON PHARMACEUTICALS AS
公开号:WO2005003143A1
公开(公告)日:2005-01-13
This invention relates to novel compounds useful as potassium channel modulators. More specifically the invention provides chemical compounds useful as modulators of SKca and/or IKca channels.
[4+2] Annulation of arylmethylphosphonochloridates with dibenzo[<i>b</i>,<i>f</i>][1,4]oxazepines: a practical approach to polycyclic benzo-δ-phosphonolactams
作者:Xin Yuan、Yelong Lei、Zhicheng Fu、Jiaxi Xu
DOI:10.1039/d2nj05558a
日期:——
A novel and transition metal-free synthesis of benzo-δ-phosphonolactams from readily available ethyl arylmethylphosphonochloridates and dibenzo[b,f][1,4]oxazepines was developed. The reaction includes tandem phosphonylation, deprotonation, intramolecular nucleophilic addition, and aromatization, affording various polycyclic benzo-δ-phosphonolactams in moderate to good yields and diasteroselectivity
从现成的乙基芳基甲基膦酰氯和二苯并 [ b , f ][1,4]oxazepine 开发了一种新的无过渡金属合成苯并-δ-膦内酰胺。该反应包括串联膦酰化、去质子化、分子内亲核加成和芳构化,以中等至良好的产率和一锅法的非对映选择性(高达 96% 的产率和 83:17 dr)提供各种多环苯并-δ-膦内酰胺。