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Letters in Organic Chemistry

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ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

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Letter Article

Chemical Constituents of the Roots of Astragalus polycladus var. nigrescens

Author(s): Yu Zhang, Han Yang, Xiang Dong, Chao-Jiang Xiao* and Bei Jiang*

Volume 19, Issue 10, 2022

Published on: 02 March, 2022

Page: [814 - 817] Pages: 4

DOI: 10.2174/1570178619666220110140518

Price: $65

Abstract

A new cycloartane triterpenoid, 24-acetylcyclocantogenin (1), along with five cycloartane triterpenoids (2-6), eight steroids (7-14) and nine other known compounds (15-23), was obtained from the methanol extract of roots of Astragalus polycladus var. nigrescens. Their structures were elucidated based on extensive spectroscopic analysis (1D and 2D-NMR, MS and IR). They were isolated from A. polycladus var. nigrescens for the first time.

Keywords: Leguminosae, Astragalus polycladus var. nigrescens, root, cycloartane triterpenoids, chemical constituents, 24- acetylcyclocantogenin.

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