1 Federal University of Paraíba Campus I, 58051-900 João Pessoa-PB Brazil. Luciana.scotti@gmail.com.
2 Federal University of Paraíba Campus I, 58051-900 João Pessoa-PB Brazil. mtscotti@gmail.com.
3 Professor of Organic and Medicinal Chemistry Head of the Laboratory of Synthesis and Drug Delivery State University of Paraiba João Pessoa-PB Brazil. franciscojbmendonca@yahoo.com.br.