ChemInform Abstract: One‐Pot Preparation of Derivatives of the Unknown Fluoreno(2,3,4‐ij)isoquinoline Ring from Conjugated Ketenimines by a Consecutive Electrocyclic Ring‐Closure/Claisen Rearrangement/Intramolecular Diels‐Alder Cycloaddition/Double Aromatization Process. | Publicación