Synthesis of Naphthofuran Derivatives in the Ionic Liquids

The last two decades have seen an explosion of interest in ionic liquids, much of the interest in ionic liquids has centered on their possible use as green solvent. IL‘s are salts consisting completely of organic cations and inorganic or organic anions [1]. A facile and efficient approach for the synthesis naphthofuran derivatives isusing ionic liquid as solvent. reaction of β-Naphthoxyketones in IL‘s are obtained in good to excellent yields of naphthofuran. In this work, first we synthesis β-Naphthoxyketone from β-naphtol and α-boromoketon in K2CO3/acetone [2], then use acidic ionic liquid [bmim]HSO4, and [hmim]FeCl4 - for synthesis of naphthofuran derivatives.