Duartin,an isoflavan from Machaerium opacum |
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| Authors: | WDavid Ollis Ian O Sutherland Herbert M Alves Otto R Gottlieb |
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| Institution: | 1. Department of Chemistry, The University, Sheffield S3 7HF, England;2. Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte Brazil;3. Instituto de Química, Universidade de São Paulo, c.p. 20780, São Paulo, Brasil |
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| Abstract: | The heartwood of Machaerium opacum contains 2,3-dimethoxyphenol, the stilbenes pinosylvin monomethyl ether and dimethyl ether, and the isoflavans (?)-duartin and (?)-mucronulatol. The structure of (3S)-7,3′-dihydroxy-8,2′,4′-trimethoxyisoflavan was deduced for duartin and the constitution confirmed by synthesis of the racemate. |
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| Keywords: | Leguminosae-Lotoideae isoflavans stilbenes |
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