Mammea Coumarins from the Flowers of Mammea siamensis

Four new mammea coumarins, mammea E/BA cyclo D (1), mammea E/BC cyclo D (2), mammea E/BD cyclo D (3), and mammea E/AC cyclo D (4), were isolated from the flowers of Mammea siamensis, along with six known coumarins. Extensive 1D and 2D NMR experiments and other spectroscopic studies, as well as chemi...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 2002-05, Vol.65 (5), p.757-760
Main Authors: MAHIDOL, Chulabhorn, KAWEETRIPOB, Wirongrong, PRAWAT, Hunsa, RUCHIRAWAT, Somsak
Format: Article
Language:English
Subjects:
Acetylation
Biological and medical sciences
Chromatography, High Pressure Liquid
Coumarins - chemistry
General pharmacology
Medical sciences
Molecular Conformation
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Plants, Medicinal - chemistry
Spectrophotometry, Infrared
Spectrophotometry, Ultraviolet
Thailand
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Summary:Four new mammea coumarins, mammea E/BA cyclo D (1), mammea E/BC cyclo D (2), mammea E/BD cyclo D (3), and mammea E/AC cyclo D (4), were isolated from the flowers of Mammea siamensis, along with six known coumarins. Extensive 1D and 2D NMR experiments and other spectroscopic studies, as well as chemical transformations, were employed to determine the structures of 1-4.
ISSN:0163-3864
1520-6025
DOI:10.1021/np010579u