A Xanthone Dixylopyranoside from Swertia thomsonii-Reference-Cited by-同舟云学术

A Xanthone Dixylopyranoside from Swertia thomsonii

Published:2002-01-01 Issue:1 Volume:57 Page:122-126
ISSN:1865-7117
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Ahmad Viqar Uddin¹,Rahman Inayat-ur-²,Khana Murad Ali¹²,Arfan Muhammad³,Siddiqui Mohammad Tariq²

Affiliation:

1. HEJ Research Institute of Chemistry , University of Karachi, Pakistan

2. PCSIR, Jamrud Road, Peshawar-25120, Pakistan

3. Department ofChemistry , University ofPeshawar , Pakistan

Abstract

A xanthone dixylopyranoside has been isolated from Swertia thomsonii C. B. Clarke and its structure established as 1,7-dihydroxy-3,8-dimethoxyxanthone 1-O-[β-D-xylopyranosyl- (1→4)D-xylopyranoside on the basis of spectral evidence, particularly 2D NMR studies. Three known compounds, 1,7-dihydroxy-3,8-dimethoxyxanthone, swertianin (1,7,8-trihydroxy- 3-methoxy-xanthone) and ursolic acid were also isolated from this species.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2002-0115/pdf

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