Author/Authors :
Claudia A. do Nascimento، نويسنده , , Luciano M. Li?o، نويسنده , , Lucilia Kato، نويسنده , , Cleuza C. da Silva، نويسنده , , Clara M.A. Tanaka، نويسنده , , Ivânia T.A. Schuquel، نويسنده , , Cec?lia M.A. de Oliveira، نويسنده ,
Abstract :
A new tetrahydro β-carboline alkaloid that has an oligosaccharide unit was isolated from the root extracts of the Palicourea coriacea. The structure was elucidated using spectral methods, including 2D NMR: COSY, HMQC, HMBC and NOESY.
Keywords :
Palicourea coriacea , Rubiaceae , Tetrahydro ?-carboline , Trisaccharide