Flavonoids from the seeds of Lonchocarpus costaricensis |
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| Authors: | Peter G. Waterman Elhadi N. Mahmoud |
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| Affiliation: | Phytochemistry Research Laboratories Department of Pharmacy (Pharmaceutical Chemistry), University of Strathclyde, Glasgow Gl 1XW, U.K. |
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| Abstract: | Seven flavonoids have been isolated from the seeds of Lonchocarpus costaricensis of which four appear to be novel. The new compounds have been identified as the β-hydroxychalcone demethylpraecansone-B and the flavanones 7-(3,3-dimethylallyloxy)-8-(3-hydroxy-3-methyl-trans-but-1-enyl)flavanone, 7-(3,3-dimethylallyloxy)-8-(3,3-dimethylallyl)-5-methoxyflavanone and 8-(3,3-dimethylallyl)-5,7-dimethoxyflavanone. |
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| Keywords: | β-hydroxychalcones flavanones flavones. |
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