144888-64-2Relevant articles and documents
Unusual KF/Al2O3 Promoted Tandem Electrophilic-Nucleophilic Aromatic Substitution Leading to the Xanthone Formation
Patek, Marcel,Lebl, Michal,Budesinsky, Milos
, p. 4507 - 4508 (2007/10/02)
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. Key words: O-alkylation, fluoride anion, xanthone