1. Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
2. Department of Engineering, University of Messina, Contrada di Dio–Vill. S. Agata, I-98166 Messina, Italy
3. Department of Organic Chemistry, University of Córdoba, Campus de Rabanales, Marie Curie (C-3), Ctra Nnal IV-A, Km 396, Cordoba, Spain