Data/hora: 03/06/2024 10:44:49

Provedor de dados: 	42	
País: 	Brazil	
Título: 	Anthraquinones from the bark of Senna macranthera	
Autores: 	Branco,Alexsandro; Pinto,Angelo C.; Schripsema,Jan; Braz-Filho,Raimundo.	
Data: 	2011-12-01	
Ano: 	2011	
Palavras-chave: 	Anthraquinone; 2-acetyl-physcion; Fabaceae; Senna acranthera.	
Resumo: 	2-acetyl physcion (2-acetyl-1,8-dihydroxy-6-methoxy-3-methyl-9,10-anthraquinone, 2), a rare anthraquinone, was isolated from Senna macranthera var. nervosa (Vogel) H.S. Irwin &amp;amp; Barneby (Fabaceae). The chemical structure was elucidated and all ¹H and 13C NMR chemical shifts were assigned by NMR one- (¹HNMR, {¹H}-13CNMR, and APT-13CNMR) and two (COSY, NOESY, HMQC and HMBC) dimensional of this natural compound. Furthermore, the minor anthraquinones chrysophanol (3), chrysophanol-8-methyl ether (4) and physcion (5) were characterized by GC-MS analysis. The occurrence of the anthraquinones 3-5 confirms that S. macranthera is a typical representative of the genus Senna.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000400003	
Editor: 	Academia Brasileira de Ciências	
Relação: 	10.1590/S0001-37652011000400003	
Formato: 	text/html	
Fonte: 	Anais da Academia Brasileira de Ciências  v.83 n.4 2011	
Fonte: 	info:eu-repo/semantics/openAccess