ChemInform Abstract: Reaction Between Enaminones and Acetylenic Esters in the Presence of Triphenylphosphine: A Convenient Synthesis of Alkyl 2(1‐Benzyl‐2, 4‐dioxo‐2, 3, 4, 5, 6, 7‐hexahydro‐1H‐indol‐3‐yl)acetates. Issue 10 (7th March 2013)