Abstract
Five hitherto unknown isoflavonoids, namely erythrinins D-H (1–5), were isolated from the ethanol extract of Erythrina arborescens. Their structures were elucidated on the basis of extensive spectroscopic studies. In addition, the structure of anagyroidisoflavone A (6a) has been revised as 1″-O-methylerythrinin F (6) by re-analysis of the original spectroscopic data.
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Wang, F., Li, XL., Wei, GZ. et al. New isoflavonoids from Erythrina arborescens and structure revision of anagyroidisoflavone A. Nat. Prod. Bioprospect. 3, 238–242 (2013). https://doi.org/10.1007/s13659-013-0062-3
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DOI: https://doi.org/10.1007/s13659-013-0062-3