N-Butylpyridinium heptachlorodialuminate: A convenient catalyst for the synthesis of acridine 1,8-diones derivatives by microwave assisted Hantzsch reaction

摘要

Acridine-1,8-dione derivatives have been synthesized conveniently by the multicomponent condensation of dimedone, aldehydes, and ammonium acetate in the presence of a catalytic amount of N-butylpyridinium heptachlorodialuminate. This fascinating microwave assisted protocol involving green ionic liquid offers several advantages such as excellent yields, short reaction period, mild reaction conditions and an eco-friendly approach.