Novel cytotoxic, polyprenylated heptacyclic xanthonoids from Indonesian Garcinia gaudichaudii (Guttiferae)

[reaction: see text] The structures of novel gaudichaudiic acids F-I (1-4), isolated from the bark of Indonesian Garcinia gaudichaudii, have been elucidated by detailed spectral analysis. Gaudichaudiic acid I (4) is probably derived from 1 as a result of allylic oxidation at C-24 and C-21, followed...

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Veröffentlicht in:	Organic letters 2000-11, Vol.2 (24), p.3945-3948
Hauptverfasser:	Xu, Y J, Yip, S C, Kosela, S, Fitri, E, Hana, M, Goh, S H, Sim, K Y
Format:	Artikel
Sprache:	eng
Schlagworte:	Antineoplastic Agents, Phytogenic - chemistry Antineoplastic Agents, Phytogenic - isolation & purification Bridged-Ring Compounds - chemistry Bridged-Ring Compounds - isolation & purification Indonesia Magnetic Resonance Spectroscopy Mass Spectrometry Plant Epidermis - chemistry Plants, Medicinal - chemistry Spectrometry, Mass, Fast Atom Bombardment Xanthenes - chemical synthesis Xanthenes - isolation & purification
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Beschreibung
Zusammenfassung:	[reaction: see text] The structures of novel gaudichaudiic acids F-I (1-4), isolated from the bark of Indonesian Garcinia gaudichaudii, have been elucidated by detailed spectral analysis. Gaudichaudiic acid I (4) is probably derived from 1 as a result of allylic oxidation at C-24 and C-21, followed by aromatization.
ISSN:	1523-7060
DOI:	10.1021/ol006730t