First Direct Access to Angularly Trifluoromethyl-Substituted Tricyclic Compounds via a Diels-Alder Reaction Performed with a Trialkyl Olefin - Bégué, Jean-Pierre; Bonnet-Delpon, Danièle; Lequeux, Thierry; d'Angelo, Jean; Guingant, André (Synlett, 1992)