ChemInform Abstract: Ligand‐Free Palladium‐Catalyzed Oxyarylation of Dihydronaphthalenes and Chromenequinone with o‐Iodophenols and 3‐Iodolawsone in PEG‐400: An Efficient Synthesis of 5‐Carbapterocarpans and Pterocarpanquinones. Issue 13 (March 2016)