One-pot preparation of derivatives of the unknown fluoreno[2,3,4-i,j] isoquinoline ring from conjugated ketenimines by a consecutive electrocyclic ring-closure/claisen rearrangement/intramolecular Diels-Alder cycloaddition/double aromatization process

1. Molina, P.
2. Alajarín, M.
3. Vidal, A.
4. Feneau-Dupont, J.
5. Declercq, J.P.