Four new clerodane diterpenoids from Callicarpa pentandra |
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| Authors: | Xu J Harrison L J Vittal J J Xu Y J Goh S H |
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| Affiliation: | Chemistry Department, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260. |
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| 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. |
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