Phytochemical reinvestigation of Tabebuia argentea leaves and Catalpa bignonioides petioles extracts (Bignoniaceae) allowed to isolate two compounds not described before: one glycosylated lignan and one phenolic glycoside characterized as 5-hydroxysesamin 5-O-beta-D-glucopyranosyl-(1 -> 2)-[beta-D-glucopyranosyl-( 1 -> 6)]-beta-D-glucopyranoside (1) and 1-benzyl-[6-p-hydroxybenzoyl]-beta-D-glucopyranosyl( 1 -> 3)-beta-D-glucopyranoside (2), respectively. Their structural characterization was obtained on the basis of extensive NMR spectral studies. Five known phenolic glycosides along with six flavonol glycosides were also isolated and characterized

Phenolic glycosides from Tabebuia argentea and Catalpa bignonioides

DE TOMMASI, Nunziatina
2014-01-01

Abstract

Phytochemical reinvestigation of Tabebuia argentea leaves and Catalpa bignonioides petioles extracts (Bignoniaceae) allowed to isolate two compounds not described before: one glycosylated lignan and one phenolic glycoside characterized as 5-hydroxysesamin 5-O-beta-D-glucopyranosyl-(1 -> 2)-[beta-D-glucopyranosyl-( 1 -> 6)]-beta-D-glucopyranoside (1) and 1-benzyl-[6-p-hydroxybenzoyl]-beta-D-glucopyranosyl( 1 -> 3)-beta-D-glucopyranoside (2), respectively. Their structural characterization was obtained on the basis of extensive NMR spectral studies. Five known phenolic glycosides along with six flavonol glycosides were also isolated and characterized
2014
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/4375454
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 9
  • ???jsp.display-item.citation.isi??? 8
social impact