Synthesis of 4-Aminoxanthones by an Uncatalyzed, Multicomponent Reaction
作者:Ana Bornadiego、Jesús Díaz、Carlos F. Marcos
DOI:10.1002/adsc.201300750
日期:2014.3.10
The synthesis of xanthones via a multicomponentreaction of isocyanides is described for the first time. In this one‐pot process, a tandem [4+1] plus [4+2] cycloaddition leads to polysubstituted 4‐aminoxanthones in excellent to quantitative yields at room temperature in a non‐catalyzed reaction.