Pivatto, Marcos [UNESP]Crotti, Antônio E. M.Lopes, Norberto P.Castro-Gamboa, Ian [UNESP]De Rezende, Amanda [UNESP]Viegas Jr., Cláudio [UNESP]Young, Maria Claudia M.Furlan, Maysa [UNESP]Bolzani, Vanderlan da Silva [UNESP]2014-05-272014-05-272005-11-01Journal of the Brazilian Chemical Society, v. 16, n. 6 B, p. 1431-1438, 2005.0103-5053http://hdl.handle.net/11449/68471The fragmentation pattern of a homologous series of piperidine alkaloids isolated from S. spectabilis was investigated using electrospray ionization tandem mass spectrometry (ESI-MS/MS). The ESI-MS and ESI-MS/MS analyses of EtOH extracts and fractions from flowers and fruits of S. spectabilis allowed to elucidate the structures of four new compounds. The identification of these co-metabolites, based on the fragmentation patterns of previously isolated compounds, and further confirmed by accurate mass spectrometry defines this technique as a powerful tool to determine the metabolomic profile of species which has pharmacological importance. ©2005 Sociedade Brasileira de Química.1431-1438engElectrosprayMetabolomic profilePiperidine alkaloidsSenna spectabilisTandem mass spectrometryArtigo10.1590/S0103-50532005000800023S0103-50532005000800023WOS:000234078700023Acesso aberto2-s2.0-308444534022-s2.0-30844453402.pdf13080427947868724484083685251673