ChemInform Abstract: Efficient and Rapid Solvent‐Free Synthesis of 1, 8‐Dioxo‐octahydroxanthenes (IV) and 2, 2′‐(Phenylmethylene)bis(3‐hydroxy‐5, 5‐dimethylcyclohex‐2‐en‐1‐ones) (III) under Microwave Irradiation Condition. Issue 49 (3rd December 2013)