Abstract
A new tirucallane triterpene, 3α,21α,21,23-diepoxy-tirucalla-7,24-diene, named brazoxide A, was isolated from aerial parts of Pilocarpus spicatus subsp. Aracatensis Kaastra. Its structure and stereochemistry was elucidated by spectroscopic methods, including 1D-, 2D-nuclear magnetic resonance (NMR), high-resolution electrospray ionization mass spectrometry (HR-ESI-MS), molecular modeling techniques and comparison with literature data.
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Madeiro, S. A. L., Costa, V. C. O., Duarte, S. L. F., Da Cunha, C. P., Scotti, M. T., De Fátima Agra, M., … Tavares, J. F. (2016). Brazoxide A, a new tirucallane triterpene from Pilocarpus spicatus subsp. Aracatensis Kaastra. Revista Virtual de Quimica, 8(1), 196–203. https://doi.org/10.5935/1984-6835.20160013
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