Abstract
Three new friedelane-type triterpenoids, 3,4-secofriedelan-3,28-dioic acid (1), 27-hydroxyacetate canophyllic acid (2) and 3-oxo-27-hydroxyacetate friedelan-28-oic acid (3), were isolated from the leaves of Calophyllum inophyllum (Clusiaceae) grown in French Polynesia. Their structures were established by the concerted application of 2D NMR techniques including gs-COSY, gs-HMQC and gs-HMBC. Copyright © 2004 John Wiley & Sons, Ltd.
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Laure, F., Herbette, G., Faure, R., Bianchini, J. P., Raharivelomanana, P., & Fogliani, B. (2005). Structures of new secofriedelane and friedelane acids from Calophyllum inophyllum of French Polynesia. Magnetic Resonance in Chemistry, 43(1), 65–68. https://doi.org/10.1002/mrc.1476
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