Tetranortriterpenoids from Ruagea glabra

Six tetranortriterpenoids including four new compounds, ruageanins A (3), B (4), C (5), and D (6), were isolated from fruits of Ruagea glabra (Meliaceae). Structures of the new compounds were established by analysis of the high-field NMR data. Methyl angolensate (1), xylocarpin (2), and ruageanins A...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1996-05, Vol.59 (5), p.544-547
Hauptverfasser:	Mootoo, Baldwin S, Ramsewak, Russel, Khan, Ayub, Tinto, Winston F, Reynolds, William F, McLean, Stewart, Yu, Margaret
Format:	Artikel
Sprache:	eng
Schlagworte:	ANTIFEEDANTS Biological and medical sciences CHEMICAL COMPOSITION COMPOSICION QUIMICA COMPOSITION CHIMIQUE COSTA RICA ESPECTROMETRIA FRUITS FRUTAS General pharmacology INHIBIDORES DEL APETITO INSECTE NUISIBLE INSECTOS DANINOS LARVAE LARVAS LARVE Medical sciences MELIACEAE methyl angolenstate MOLECULAR CONFORMATION molecular structure PEST INSECTS PHAGOREPULSIF Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments ruageanins SPECTRAL ANALYSIS SPECTROMETRIE SPECTROMETRY SPODOPTERA FRUGIPERDA TRITERPENOIDE TRITERPENOIDOS TRITERPENOIDS xylocarpin
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Zusammenfassung:	Six tetranortriterpenoids including four new compounds, ruageanins A (3), B (4), C (5), and D (6), were isolated from fruits of Ruagea glabra (Meliaceae). Structures of the new compounds were established by analysis of the high-field NMR data. Methyl angolensate (1), xylocarpin (2), and ruageanins A (3) and B (4) showed significant antifeedant activity to the final instar larvae of Spodoptera frugiperda.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np960139g