Asymmetric synthesis of a structurally and stereochemically complex spirooxindole pyran scaffold through an organocatalytic multicomponent cascade reaction
作者:Xin Xie、Cheng Peng、Gu He、Hai-Jun Leng、Biao Wang、Wei Huang、Bo Han
DOI:10.1039/c2cc36011j
日期:——
A novel and convenient organocatalytic tandem reaction has been developed for the asymmetric assembly of saturated aldehydes (or enals), nitroolefins and isatins to produce six-membered oxa-spirooxindole backbones bearing four contiguous stereogenic centers and multiple functional groups with high stereoselectivity.
已开发出一种新颖且方便的有机催化串联反应,用于饱和醛(或烯醛),硝基烯烃和靛红的不对称组装,以产生六元的oxa-spirooxindole骨架,该骨架具有四个连续的立体中心和多个具有高立体选择性的官能团。