Abstract
Leaf extracts of Callicarpa pentandra provided four new clerodane-type diterpenoids (1-4), of which 1, 2, and 4 have ring-A-contracted structures. Their structures and stereochemistry were established by spectral data interpretation, and for 3 also by single-crystal X-ray diffraction.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Chromatography, Liquid
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Chromatography, Thin Layer
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Crystallography, X-Ray
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Diterpenes / chemistry
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Diterpenes / isolation & purification*
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Gas Chromatography-Mass Spectrometry
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Lamiaceae / chemistry*
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Magnetic Resonance Spectroscopy
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Malaysia
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Medicine, Traditional
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Optical Rotation
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Phytotherapy
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Plant Leaves / chemistry*
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Plants, Medicinal / chemistry*
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Spectrophotometry, Infrared
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Spectrophotometry, Ultraviolet