ChemInform Abstract: A Simple Synthesis of E‐9‐Aryl‐5‐arylidene‐1‐oxo‐1, 2, 3, 4, 5, 6, 7, 8‐octahydroxanthenes and Their Lower Analogues from E, E, ‐α, α′‐Diarylidenecycloalkanones. Issue 50 (10th December 2013)