Made available in DSpace on 2022-04-28T22:48:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-06-15; Phytochemical studies carried out with Piperaceae species have shown great diversity of secondary metabolites among which are several displayed considerable biological activities. The species Piper tuberculatum has been intensively investigated and a series of amides have been described. For instance, (...