Phenolic glycosides from Tabebuia argentea and Catalpa bignonioides

被引：8
作者：
de Abreu, Maryan Bruzual [1 ]
Temraz, Abeer [2 ,3 ]
Vassallo, Antonio [4 ]
Braca, Alessandra [1 ]
De Tommasi, Nunziatina [5 ]
机构：
[1] Univ Pisa, Dipartimento Farm, I-56126 Pisa, Italy
[2] Al Azhar Univ, Fac Pharm, Nasr 11371, Cairo, Egypt
[3] Umm Al Qura Univ, Fac Pharm, Dept Pharmacognosy, Mecca 21955, Saudi Arabia
[4] Univ Basilicata, Dipartimento Sci, I-85100 Potenza, Italy
[5] Univ Salerno, Dipartimento Farm, I-84084 Fisciano, Italy
来源：
PHYTOCHEMISTRY LETTERS | 2014年 / 7卷
关键词：
Tabebuia argentea; Catalpa bignonioides; Bignoniaceae; Phenolic glycosides; Spectral analysis; FLAVONOL GLYCOSIDES; CELL-CULTURES;
D O I：
10.1016/j.phytol.2013.10.006
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Phytochemical reinvestigation of Tabebuia argentea leaves and Catalpa bignonioides petioles extracts (Bignoniaceae) allowed to isolate two compounds not described before: one glycosylated lignan and one phenolic glycoside characterized as 5-hydroxysesamin 5-O-beta-D-glucopyranosyl-(1 -> 2)-[beta-D-glucopyranosyl-( 1 -> 6)]-beta-D-glucopyranoside (1) and 1-benzyl-[6-p-hydroxybenzoyl]-beta-D-glucopyranosyl( 1 -> 3)-beta-D-glucopyranoside (2), respectively. Their structural characterization was obtained on the basis of extensive NMR spectral studies. Five known phenolic glycosides along with six flavonol glycosides were also isolated and characterized. (C) 2013 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：85 / 88
页数：4
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