Concise Synthetic Approaches to Naturally Occurring β-Hydroxypyranochalcones: First Total Synthesis of Purpurenone, Its Derivative, and Praecansone B
作者:Xue Wang、Yong-Rok Lee、Sung-Hong Kim
DOI:10.5012/bkcs.2012.33.8.2647
日期:2012.8.20
Analysis Research Division, Daegu Center, Korea Basic Science Institute, Daegu 702-701, KoreaReceived May 1, 2012, Accepted May 14, 2012The total synthesis of biologically interesting β-hydroxypyranochalcones, purpurenone (1), its derivative 2,praecansone B (3), and pongapinone A (4) has been accomplished starting from commercially available 2,4-dihydroxyacetophenone or 6-methoxy-2,4-dihydroxyacetophenone
韩国基础科学研究所大邱中心分析研究部, Daegu 702-701, Korea 2012年5月1日收稿, 2012年5月14日收稿 具有生物学意义的β-羟基吡喃查尔酮的全合成, purpurenone (1), its衍生物2,praecansone B (3 ) 和 pongapinone A (4) 已经从市售的 2,4-二羟基苯乙酮或 6-甲氧基-2,4-二羟基苯乙酮开始,通过苯并吡喃形成、O-甲基化和偶联反应的收敛策略分 3 步完成。关键词:β-羟基吡喃查耳酮、紫嘌呤酮、Praecanone B、Pongapinone A、苯并吡喃的形成介绍吡喃查耳酮和β-羟基吡喃查耳酮是类黄酮的丰富亚类,在自然界广泛分布。