Four new clerodane diterpenoids from Callicarpa pentandra
Xu, J. Harrison, L.J. Vittal, J.J. Xu, Y.-J. Goh, S.-H.
Xu, J.
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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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Source Title
Journal of Natural Products
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Date
2000
DOI
10.1021/np990584m
Type
Article