Friedolanostanes and Lanostanes from the Leaves of Garcinia hombroniana

Five new triterpenes, one 17,14-friedolanostane (garcihombronane F, 1), three 17,13-friedolanostanes (garcihombronanes G−I, 2−4), and one lanostane (garcihombronane J, 5), were isolated from the leaves of Garcinia hombroniana together with nine known compounds including five triterpenes, two ionone-...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 2005-08, Vol.68 (8), p.1222-1225
Hauptverfasser:	Rukachaisirikul, Vatcharin, Saelim, Somsak, Karnsomchoke, Pueksa, Phongpaichit, Souwalak
Format:	Artikel
Sprache:	eng
Schlagworte:	antibacterial properties Biological and medical sciences chemical structure Flavonoids - chemistry Flavonoids - isolation & purification Flavonoids - pharmacology friedolanostanes garcihombronane Garcinia Garcinia - chemistry Garcinia hombroniana General pharmacology Glucosides - chemistry Glucosides - isolation & purification Glucosides - pharmacology lanostanes Lanosterol - analogs & derivatives Lanosterol - chemistry Lanosterol - isolation & purification Lanosterol - pharmacology Medical sciences Methicillin Resistance Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments phytochemicals plant biochemistry plant extracts Plant Leaves - chemistry Plants, Medicinal - chemistry spectral analysis Staphylococcus aureus Staphylococcus aureus - drug effects stereochemistry Thailand Triterpenes - chemistry Triterpenes - isolation & purification Triterpenes - pharmacology triterpenoids
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Zusammenfassung:	Five new triterpenes, one 17,14-friedolanostane (garcihombronane F, 1), three 17,13-friedolanostanes (garcihombronanes G−I, 2−4), and one lanostane (garcihombronane J, 5), were isolated from the leaves of Garcinia hombroniana together with nine known compounds including five triterpenes, two ionone-derived glycosides, and two flavonoid glucosides. Their structures were identified by analysis of spectroscopic data and comparison of the NMR data with those previously reported.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np050131j