Artigo Produção Nacional Revisado por pares

Unequivocal assignments of flavonoids from Tephrosia sp. (Fabaceae)

2009; Wiley; Volume: 47; Issue: 6 Linguagem: Inglês

10.1002/mrc.2422

ISSN

1097-458X

Autores

Ângela M. C. Arriaga, Jefferson Queiroz Lima, Jackson Nunes e Vasconcelos, Maria C. F. de Oliveira, Manoel Andrade‐Neto, Gilvandete M. P. Santiago, Daniel E. A. Uchôa, Grazielle Tavares Malcher, Jair Mafezoli, Raimundo Braz‐Filho,

Tópico(s)

Phytochemistry and Biological Activities

Resumo

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 correction of literature assignments.Copyright © 2009 John Wiley & Sons, Ltd.

Referência(s)