New isoflavone derivative and other flavonoids from the resin of Amburana cearensis

Journal of the Brazilian Chemical Society

Bandeira, Paulo N¹  Braz-Filho, Raimundo¹  Universidade Estadual Vale do Acaraú, Sobral, Brazil¹  Lemos, Telma L. G¹  Universidade Federal do Ceará, Fortaleza, Brazil¹  Santos, Hélcio S¹  Farias, Silvana S. de¹  Universidade Estadual do Ceará, Fortaleza, Brazil¹  Costa, Sônia M. O¹  Albuquerque, Maria R. J. R¹  Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos, Brazil¹ 

关键词: Amburana cearensis;    resin;    phytochemical investigation;    flavonoids;   

DOI  :  10.1590/S0103-50532011000200025

学科分类：化学（综合）

来源: SciELO

【 摘 要 】

Phytochemical investigation of the resin of Amburana cearensis A. C. Smith allowed the isolation of a new compound: 3',4'-dimethoxy-1'-(7-methoxy-4-oxo-4H-cromen-3-yl)benzo-2',5'-quinone (1), together with six known compounds identified as: 4,2',4'-trihydroxychalcone (2), 7,8,3',4'-tetramethoxyisoflavone (3), 4,2',4'-trihydroxy-3-methoxychalcone (4), 3,4,5-trimethoxycinnamaldehyde (5), 3',4'-dimethoxy-7-hydroxyisoflavone (6) and 6,7,4'-trimethoxy-3'-hydroxyisoflavone (7). The structures were established from the IR, HR-ESI-MS and NMR spectral data, including 2D-NMR experiments.

【 授权许可】

Unknown