Synthesis of 3-Oxo Quinolines by Cyclization Using Lignin Models and 2-Aminobenzyl Alcohols
作者:Cheng Zhang、Kejie Xu、Yilei Liao、Li Zhao、Shuqi Jin、Xi Lu、Jintao Wang、Liyuan Ding、Jian Zhang
DOI:10.1021/acs.joc.2c02455
日期:2023.3.17
Phenoxy acetophenones were usually employed as β-O-4′ lignin models for chemical conversion. Herein, an iridium-catalyzed dehydrogenative annulation between 2-aminobenzylalcohols and phenoxy acetophenones was demonstrated to prepare valuable 3-oxo quinoline derivatives, which are hard to prepare using previous methods. This operationally simple reaction tolerated a wide scope of substrates and enabled
苯氧基苯乙酮通常用作化学转化的 β-O-4' 木质素模型。在此,证明了 2-氨基苄醇和苯氧基苯乙酮之间的铱催化脱氢环化可制备有价值的 3-氧代喹啉衍生物,这些衍生物很难使用以前的方法制备。这种操作简单的反应可以耐受多种底物,并能够成功地进行克级制备。