Ionic Liquid-promoted Ring-closure Reactions between 1,4-Dihydroxyanthraquinone and Diamines

Abstract

The reaction of 1,4-Dihydroxyanthraquinone with diamines was carried out in thepresence of CuCl2, CuCl in the ionic liquid [Bmim]PF6, [Bmim]BF4 or [Bmim]Cl·CuCl.

Keywords

• Ionic liquid
• 1
• 4-dihydroxyanthraquinone
• diamines
• ring-closure.