[BMIM]OAc‐Mediated One‐Pot Synthesis of Pyrazolo[4,3‐ a ]acridines and Their Pharmaceutical Evaluations
An environmentally friendly one‐pot synthesis of pyrazolo[4,3‐ a ]acridine derivatives 4(a–o) has been developed using 1‐butyl‐3‐methylimidazolium acetate ([BMIM]OAc) as a green and recyclable catalyst in ethanol under reflux conditions. The reaction between 5‐aminoindazole, dimedone, and various isatin derivativ...