Unequivocal assignments of flavonoids fr
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A. M. C. Arriaga; J. Q. Lima; J. N. Vasconcelos; M. C. F. de Oliveira; M. Andrad
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Article
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2009
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John Wiley and Sons
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English
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## Abstract ^1^H and ^13^C NMR chemical shifts of praecansone B, pongaflavone and dehydrorotenone isolated from __Tephrosia egregia__ Sandw and obovatin from __T. toxicaria__ Pers. were unambiguously assigned by 1D and 2D NMR experiments including ^1^H, ^1^H COSY, gHMQC and gHMBC, allowing the corr