Química Nova | |
Chemical constituents of the flowers of Pterogyne nitens (caesalpinioideae) | |
Barreiro, Eliezer Jesus1  Cardoso-Lopes, Elaine Monteiro1  Silva, Dulce Helena Siqueira1  Regasini, Luis Octávio1  Universidade Estadual Paulista, Araraquara, Brasil1  Castro-Gamboa, Ian1  Torres, Luce Brandão1  Young, Maria Cláudia Marx1  Fernandes, Daniara Cristina1  Instituto de Botânica, São Paulo, Brasil1  Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil1  Bolzani, Vanderlan da Silva1  Furlan, Maysa1  Instituto de Botânica, Araraquara, Brasil1  Vellosa, José Carlos Rebuglio1  Oliveira, Olga Maria Mascarenhas de1  | |
关键词: Pterogyne nitens; flavonoids; guanidine alkaloids.; | |
DOI : 10.1590/S0100-40422008000400018 | |
学科分类:化学(综合) | |
来源: Sociedade Brasileira de Quimica | |
【 摘 要 】
The phytochemical investigation of the flowers of Pterogyne nitens (Caesalpinioideae) resulted in the isolation and identification of nine phenolic derivatives, quercetin 3-O-sophoroside, taxifolin, astilbin, ourateacatechin, caffeic, ferulic, sinapic, chlorogenic and gallic acid, besides two guanidine alkaloids, pterogynine, pterogynidine. This is the first time these compounds have been reported in P. nitens flowers. As this is a monospecific genus, these secondary metabolites may have taxonomical significance. Their structures were assigned on the basis of spectroscopic analyses, including two-dimensional NMR techniques.
【 授权许可】
Unknown
【 预 览 】
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RO201912050594152ZK.pdf | 88KB | download |