1. ThoMSon Mass Spectrometry Laboratory, State University of Campinas, Campinas-SP, Brazil 13083-970, University of São Paulo, Ribeirão Preto, SP, Brazil, Synthetic Organic Chemistry Laboratory, State University of Campinas, Campinas-SP, Brazil, Federal University of São Paulo, Diadema Campus, 09972-270, Diadema, SP, Brazil, and Institute of Chemistry, Fluminense Federal University, Rio de Janeiro, RJ, Brazil