Benzophenone glycosides from Hypericum humifusum ssp. austral
| Autor: | Fabrizio Dal Piaz, Zyed Rouis, Alessandra Braca, Nabil Abid, Nunziatina De Tommasi, Laura Faiella, Mahjoub Aouni |
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| Jazyk: | angličtina |
| Rok vydání: | 2013 |
| Předmět: |
Tunisia
Stereochemistry chlorogenic acid hyperin Pharmaceutical Science Mass spectrometry mangiferin Analytical Chemistry Benzophenones chemistry.chemical_compound Drug Discovery Benzophenone Organic chemistry Glycosides Hypericum humifusum Spectroscopy Nuclear Magnetic Resonance Biomolecular benzophenone chlorogenic acid epicatechin hyperin mangiferin plant glycoside Pharmacology chemistry.chemical_classification Molecular Structure biology Organic Chemistry Glycoside Stereoisomerism epicatechin biology.organism_classification Complementary and alternative medicine chemistry Molecular Medicine Two-dimensional nuclear magnetic resonance spectroscopy plant glycoside Hypericum benzophenone |
| Popis: | Six new benzophenone glycosides, 2,3′,4,5′,6-pentahydroxybenzophenone 4-O-(6″-benzoyl)-β-d-glucopyranoside (1), 2,3′,4,5′,6-pentahydroxybenzophenone 4-O-β-d-glucopyranoside (2), 2,3′,4,5′,6-pentahydroxybenzophenone 2-O-(2″-benzoyl)-α-l-arabinopyranoside (3), 2,3′,4,5′,6-pentahydroxybenzophenone 2-O-α-l-arabinopyranoside (4), 2,3′,4,5′,6-pentahydroxybenzophenone 2-O-(4″-acetyl)-β-d-xylopyranoside (5), and 2,3′,4,5′,6-pentahydroxybenzophenone 3-C-(4″-benzoyl)-β-d-glucopyranoside (6), and five known compounds were isolated from the aerial parts of Hypericum humifusum ssp. austral. The structures of 1–6 were elucidated by mass spectrometry and extensive 1D and 2D NMR spectroscopy. |
| Databáze: | OpenAIRE |
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