A Novel Triterpene Saponin from Gypsophila capillaris

Author:

Elgamal M. Hani A.1,Soliman Hesham S. M.1,Duddeck Helmut2,Mikhova Bozhana3,Gartmann Martin4

Affiliation:

1. National Research Centre, Laboratory of Natural Products, Dokki-Cairo, Egypt

2. Universität Hannover, Institut für Organische Chemie, Schneiderberg 1 B, D-30167 Hannover, Bundesrepublik Deutschland

3. Bulgarian Academy of Sciences, Institute of Organic Chemistry, Sofia, Bulgaria

4. Ruhr-Universität Bochum, Fakultät für Chemie, Postfach 102148, D-44780 Bochum, Bundesrepublik Deutschland

Abstract

A novel C-28 tetraglycoside of quillaic acid (1) has been isolated from Gypsophila capillaris. The structure was elucidated by 1 D NMR (NOE difference, DEPT, selective 13C{1H} INEPT), 2D NMR ( 1H,1H and 1H,13C COSY, 1H,1H,1H RELAY, ROESY and TOCSY) and other spectroscopic and chromatographic evidences. Conformational dynamics within the tetrasaccharide part were estimated from NOE responses and ROESY peaks.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Two triterpene saponins from arenaria filicaulis;Phytochemistry;1998-09

2. Methodology;Structure Elucidation by Modern NMR;1998

3. Structures of Two Novel Triterpene Saponins fromArenaira filicaulisBoiss.;Magnetic Resonance in Chemistry;1997-09

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