白花时钟花中的黄酮类化合物和熊果苷。

Flavonoids and arbutin from Turnera diffusa.

作者信息

Piacente Sonia, Camargo Ely E S, Zampelli Aurelia, Gracioso Juliano S, Souza Brito Alba R, Pizza Cosimo, Vilegas Wagner

机构信息

Dipartimento di Scienze Farmaceutiche, Università degli Studi di Salerno, Via Ponte don Melillo, 84084, Fisciano, SA, Italy.

出版信息

Z Naturforsch C J Biosci. 2002 Nov-Dec;57(11-12):983-5. doi: 10.1515/znc-2002-11-1204.

DOI:10.1515/znc-2002-11-1204

PMID:12562080

Abstract

The infusion of the aerial parts of Turnera diffusa was phytochemically examined. Chromatographic procedures led to the isolation of a new flavone glycoside, five known flavonoids and p-arbutin. Structures were determined by 1D- and 2D NMR experiments, as well as ES-MS and UV spectra.

摘要

对白花蛇舌草地上部分的浸剂进行了植物化学研究。通过色谱法分离出一种新的黄酮苷、五种已知的黄酮类化合物和对羟基苯乙酮。通过一维和二维核磁共振实验以及电喷雾质谱和紫外光谱确定了其结构。