Two new phenolic glycosides from the leaves of Garcinia epunctata Stapf.

Two new phenolic glycosides from the leaves of Garcinia epunctata Stapf. The leaves of Garcinia epunctata Stapf have furnished two new phenolic glucosides, epunctosides A and B, along with 13 known secondary metabolites identified as lanceoloside A, betulinic acid, lupeol, stigmasterol, β-sitosterol, β-sitosterol-3-O-β-d-glucopyranoside, stigmasterol-3-O-β-d-glucopyranoside, luteolin-7-O-glucoside, quercitin-7-O-glucoside, amentoflavone, robustaflavone, 4'-O-methyl-amentoflavone and 4'-O-methyl-robustaflavone. All structures were established from chemical and spectroscopic evidence including 1D and 2D NMR data as well as by comparing the obtained spectroscopic data with literature. This is the first report of the presence of phenolic glucosides in the genus Garcinia. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Zeitschrift fur Naturforschung. C, Journal of biosciences Pubmed

Two new phenolic glycosides from the leaves of Garcinia epunctata Stapf.

Zeitschrift fur Naturforschung. C, Journal of biosciences, Volume 75 (1-2): 6 – Feb 13, 2020
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Two new phenolic glycosides from the leaves of Garcinia epunctata Stapf.

Zeitschrift fur Naturforschung. C, Journal of biosciences, Volume 75 (1-2): 6 – Feb 13, 2020

Abstract

The leaves of Garcinia epunctata Stapf have furnished two new phenolic glucosides, epunctosides A and B, along with 13 known secondary metabolites identified as lanceoloside A, betulinic acid, lupeol, stigmasterol, β-sitosterol, β-sitosterol-3-O-β-d-glucopyranoside, stigmasterol-3-O-β-d-glucopyranoside, luteolin-7-O-glucoside, quercitin-7-O-glucoside, amentoflavone, robustaflavone, 4'-O-methyl-amentoflavone and 4'-O-methyl-robustaflavone. All structures were established from chemical and spectroscopic evidence including 1D and 2D NMR data as well as by comparing the obtained spectroscopic data with literature. This is the first report of the presence of phenolic glucosides in the genus Garcinia.
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DOI
10.1515/znc-2018-0217
pmid
32053496

Abstract

The leaves of Garcinia epunctata Stapf have furnished two new phenolic glucosides, epunctosides A and B, along with 13 known secondary metabolites identified as lanceoloside A, betulinic acid, lupeol, stigmasterol, β-sitosterol, β-sitosterol-3-O-β-d-glucopyranoside, stigmasterol-3-O-β-d-glucopyranoside, luteolin-7-O-glucoside, quercitin-7-O-glucoside, amentoflavone, robustaflavone, 4'-O-methyl-amentoflavone and 4'-O-methyl-robustaflavone. All structures were established from chemical and spectroscopic evidence including 1D and 2D NMR data as well as by comparing the obtained spectroscopic data with literature. This is the first report of the presence of phenolic glucosides in the genus Garcinia.

Journal

Zeitschrift fur Naturforschung. C, Journal of biosciencesPubmed

Published: Feb 13, 2020

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