1. Institute of Chemical Research of Catalonia (ICIQ), Avda. Països Catalans
16, 43007 Tarragona, Spain
2. Department de Química, Universitat de les Illes Balears, crta. Valldemossa
km 7.5, 07122, Palma de Mallorca, Spain
3. Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
4. Catalan Institution of Research and Advanced Studies (ICREA), Passeig Lluís
Companys 23, 08010 Barcelona, Spain