Reaction between Phenols and Isoprene under Zeolite Catalysis. Highly Selective Synthesis of Chromans and o-Isopentenylphenols - Bigi, Franca; Carloni, Silvia; Maggi, Raimondo; Muchetti, Chiara; Rastelli, Massimo; Sartori, Giovanni (Synthesis, 1998)