Structure elucidation and total assignment of  1 H and  13 C NMR data for a new bisdesmoside saponin from  Cordia piauhiensis | Zendy

Santos Renata P. | Zendy; Viana Francisco A. | Zendy; Lemos Telma Leda G. | Zendy; Silveira Edilberto R. | Zendy; BrazFilho Raimundo | Zendy; Pessoa Otília Deusdênia L. | Zendy

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Structure elucidation and total assignment of 1 H and 13 C NMR data for a new bisdesmoside saponin from Cordia piauhiensis

Author(s) -

Santos Renata P.,

Viana Francisco A.,

Lemos Telma Leda G.,

Silveira Edilberto R.,

BrazFilho Raimundo,

Pessoa Otília Deusdênia L.

Publication year - 2003

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1241

Subject(s) - chemistry , dept , saponin , two dimensional nuclear magnetic resonance spectroscopy , carbon 13 nmr , stereochemistry , ursolic acid , nmr spectra database , nuclear magnetic resonance spectroscopy , proton nmr , spectral line , chromatography , medicine , alternative medicine , pathology , physics , astronomy

Extensive 1D ( 1 H NMR, HBBD‐ 13 C NMR, DEPT‐ 13 C NMR) and 2D (COSY, TOCSY, NOESY, HMQC and HMBC) NMR analysis was used to characterize the structure of a new bisdesmoside saponin isolated from the methanol extract of stems of Cordia piauhiensis Fresen as 3β‐ O ‐[α‐ L ‐rhamnopyranosyl‐(1 → 2)‐β‐ D ‐glucopyranosyl]ursolic acid 28‐ O ‐[β‐ D ‐glucopyranosyl‐(1 → 6)‐β‐ D ‐glucopyranosyl] ester. Copyright © 2003 John Wiley & Sons, Ltd.

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