A series of 3-thienyl-6,7-methylenedioxy-1(2H,4H)-acridone derivatives are synthesized through the microwave irradiation on 5-thienyl-1,3-cyclohexanedione and the o-aminopiperonal under the solventfree condition.

Under microwave irradiation and using p-toluenesulfonic acid as a catalyst, the condensation reaction of 5-aryl-1,3-cyclohexanediones with o-anthranilonitrile afforded the corresponding N-substituted-2- aminobenzonitriles, which were followed by the intramolecular cyclization in the presence of potassium carbonate and cuprous chloride to give 3-aryl-9-amino-1,2,3,4-tetrahydroacridin-1-one.

Reaction of Aromatic Aldelyde with 1,3-Cyclohexanedione Catalyzed by Acidic Ionic Liquid;

Preparation of 2,2′-Methylenebis(1,3-cyclohexanedione);

With 4-mesyl-2-nitro-benzoyl chloride and 1,3-cyclohexanedione as the primary materials,enol ester was synthesized as a primary intermediate under basic conditions, and then transformed to 2-(4′-mesyl-2′-nitro-benzoyl)-cyclohexane-1,3-dione through catalytic rearrangement.