β,γ-Regioselective Inverse-Electron-Demand Aza-Diels–Alder Reactions with α,β-Unsaturated Aldehydes via Dienamine Catalysis
作者:Jing Gu、Chao Ma、Qing-Zhu Li、Wei Du、Ying-Chun Chen
DOI:10.1021/ol501814p
日期:2014.8.1
A stereoselective inverse-electron-demand aza-Diels–Alder cycloaddition process of cyclic 1-aza-1,3-butadienes and α,β-unsaturated aldehydes has been developed via dienamine catalysis. This reaction exhibits excellent β,γ-regioselectivity for enal substrates with substantial structural diversity and broad functionalities, readily producing highly enantioenriched fused piperidine derivatives and enabling
通过二烯胺催化作用,开发了环选择性1-氮杂-1,3-丁二烯和α,β-不饱和醛的立体选择性逆电子需氮杂-Diels-Alder环加成方法。该反应对具有大量结构多样性和广泛功能的Enal底物表现出极好的β,γ-区域选择性,易于生产高度对映体富集的稠合哌啶衍生物,并能够有效地顺序构建复杂的多环骨架。