Abstract
Homoisoflavonoids constitute a rare subclass of flavonoids restricted to only some plant species, including members of the genus Caesalpinia. This research focused on homoisoflavonoids from Caesalpinia bahamensis Lam., Fabaceae, a medicinal plant used in Cuban traditional medicine and known as “brasilete.” An hydroalcoholic extract was prepared from the stem, followed by liquid-liquid partition and further chromatographic separations, resulting in the isolation and structure elucidation by nuclear magnetic resonance spectroscopy and mass spectrometry of an undescribed 3-(2-hydroxy-4-methoxybenzyl)chromane-4,7-diol, for which the name metasappanin was proposed.
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References
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Funding
This work was supported by Vlaamse Interuniversitaire Raad - Universitaire Ontwikkelingssamenwerking (VLIR-UOS) Project No. ZEIN2016PR418 – 75155 between the University of Antwerp (Belgium) and the University of Havana (Cuba).
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AFG: concepts or idea, design, definition of the intellectual content, literature search, experimental studies, data acquisition and analysis, statistical analysis, manuscript preparation, and review; YIGG: literature search, experimental studies, data analysis, manuscript editing, and review; RSL: literature search, experimental studies, data analysis, and manuscript review; KF: design, definition or the intellectual content, experimental studies, data acquisition and analysis, and manuscript review; LP: concepts or idea, design, definition of the intellectual content, manuscript editing and review, and headed the project; RDH: concepts or idea, definition of the intellectual content, manuscript editing and review, and headed the project.
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Felipe González, A., Gutiérrez Gaitén, Y.I., Scull Lizama, R. et al. A New Homoisoflavonoid from Caesalpinia bahamensis. Rev. Bras. Farmacogn. 30, 733–736 (2020). https://doi.org/10.1007/s43450-020-00108-3
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DOI: https://doi.org/10.1007/s43450-020-00108-3