Unusual KF/Al2O3 promoted tandem electrophilic-nucleophilic aromatic substitution leading to the xanthone formation
作者:Marcel Patek、Michal Lebl、Milos Budesinsky
DOI:10.1016/s0040-4039(00)60122-3
日期:1992.7
Formation of xanthone (III) by the KF/Al2O3 mediated O-alkylation of 2-hydroxybenzophenone (I) is described and mechanistic rationalization is proposed for this unexpected side-reaction.