Domino Reaction to Functionalized 2-Hydroxybenzophenones from Electron-Deficient Chromones and 1,3-Dicarbonyl Compounds
作者:Hong Chen、Fuchun Xie、Jian Gong、Youhong Hu
DOI:10.1021/jo201384f
日期:2011.10.21
A base-promoted one-pot tandemreaction sequence has been developed to transform electron-deficient chromone-fused dienes 1 and 1,3-dicarbonylcompounds 2 to functionalized 2-hydroxybenzophenones 3 under mild conditions. This domino process, which involves multiple reactions, including Michael addition/cyclization/elimination, serves as an efficient, economic, and eco-friendly method for the construction