Two new flavones from Eupatorium coelestinum |
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Authors: | Ngo Le-Van Thi Van Cuong Pham |
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Institution: | Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, U.S.A. |
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Abstract: | Besides coumarin, nobiletin, lucidin dimethyl ether and 5,6,7,3′,4′-pentamethoxyflavone, two new highly oxygenated flavones were isolated from Eupatorium coelestinum. Their structures were determined by spectroscopic methods and alkaline degradations as 5,6,7,8,3′,4′,5′ -heptamethoxyflavone and 5,6,7,8,5′-pentamethoxy-3′,4′-methylenedioxyflavone. |
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Keywords: | Eupatorieae Compositae new flavones |
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