New alkaloids from Daphniphyllum calycinum

Four new alkaloids, 17-hydroxyhomodaphniphyllic acid (1), daphcalycinosidine C (2, a new iridoid alkaloid), yuzurimine E (3), and yuzurimic acid B (4), were isolated from the seeds of Daphniphyllum calycinum. The structures of these Daphniphyllum alkaloids were determined by spectroscopic analysis i...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 2004-07, Vol.67 (7), p.1094-1099
Hauptverfasser:	El Bitar, H, Nguyen, V.H, Gramain, A, Sevenet, T, Bodo, B
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkaloids - chemistry Alkaloids - isolation & purification Biochemistry Biochemistry, Molecular Biology Biological and medical sciences General pharmacology Life Sciences Medical sciences Molecular Conformation Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments Plants, Medicinal - chemistry Seeds - chemistry Vietnam
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Beschreibung
Zusammenfassung:	Four new alkaloids, 17-hydroxyhomodaphniphyllic acid (1), daphcalycinosidine C (2, a new iridoid alkaloid), yuzurimine E (3), and yuzurimic acid B (4), were isolated from the seeds of Daphniphyllum calycinum. The structures of these Daphniphyllum alkaloids were determined by spectroscopic analysis including mass spectrometry and 2D NMR.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np040038f