Pulcaffeate, a Trimeric Caffeic Acid derivative from Bourreria pulchra
The trimeric caffeic acid derivative pulcaffeate (1) was isolated from the organic crude extract of the roots of Bourreria pulchra(Boraginaceae). The biosynthesis of 1 appears to involve an intramolecular Diels-Alder reaction between a cyclohexa-1,3-diene intermediate, generated by the oxidation of the aromatic ring of a cinnamic acid unit, and the conjugated double bond of a caffeic acid unit. The structure of the new metabolite was elucidated through a detailed analysis of its 1H and 13C NMR spectroscopic data. This is the first report of a trimeric metabolite occurring in B. pulchra.
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| Main Authors: | , , , |
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| Format: | info:eu-repo/semantics/article biblioteca |
| Language: | eng |
| Subjects: | info:eu-repo/classification/Autores/BORAGINACEAE, info:eu-repo/classification/Autores/CINNAMIC ACID, info:eu-repo/classification/Autores/CAFFEIC ACID, info:eu-repo/classification/Autores/INTRAMOLECULAR CYCLOADDITION, info:eu-repo/classification/Autores/DIELS-ALDER REACTION, info:eu-repo/classification/cti/2, info:eu-repo/classification/cti/24, info:eu-repo/classification/cti/2403, info:eu-repo/classification/cti/230221, |
| Online Access: | http://cicy.repositorioinstitucional.mx/jspui/handle/1003/3132 |
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