1. Núcleo de Química de Heterociclos (NUQUIMHE), Department of Chemistry, Federal University of Santa Maria (UFSM), CEP 97105-900 Santa Maria, Rio Grande do Sul, Brazil
2. Núcleo de Química de Heterociclos (NUQUIMHE), Department of Engineering and Environmental Technology (DETA), Federal University of Santa Maria (UFSM), CEP 98400-000 Frederico Westphalen Campus, Rio Grande do Sul, Brazil
3. Department of Chemistry, Universidade Federal da Paraíba (UFPB), CEP 58051-900 João Pessoa, Paraíba, Brazil