Biflavonoids from Ouratea multiflora.
A new flavone dimer, 3-hydroxy-4',5,7-trimethoxyflavone-(6-->8")-3"-hydroxy-3"',4"', 5",7"-tetramethoxyflavone, together with amenthoflavone, have been isolated from the leaves of Ouratea multiflora. Its structure was established by spectroscopic methods, including two-dimensional NMR spectroscopy.
D'arc Felicio
J
J
Laboratório de Química e Farmacologia de Produtos Naturais, Centro de Sanidade Animal, Instituto Biológico, Av. Cons. Rodrigues Alves, 1252, 04014-002, SP, São Paulo, Brazil. felicio@biologico.br
Rossi
M H
MH
Park
H R
HR
Gonçalez
E
E
Braggio
M M
MM
David
J M
JM
Cordeiro
I
I
D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D010936:Plant Extracts / Q000737:chemistry; D010946:Plants, Medicinal; D019685:Rosales
D005419:Flavonoids; D010936:Plant Extracts