1. Institute of Chemistry University of Campinas—Unicamp Campinas 13083-861 Sao Paulo Brazil
2. Present address: Instituto Federal da Bahia IFBA—Campus Juazeiro 48918-900 Juazeiro, BA Brasil
3. Department of Organic Chemistry I Centro de Innovación en Quimica Avanzada (ORFEO-CINQA) Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), and Donostia International Physics Center (DIPC) Po Manuel Lardizabal 3 20018 Donostia/San Sebastián Spain
4. Ikerbasque Basque Foundation for Science Ma Diaz de Haro 3 Bilbao 48013 Spain