Hemiterpene glucosides and other constituents from Spiraea canescens

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 2009 English Publisher:Elsevier BVJournal:Phytochemistry, volume 70, pages 1,467-1,473 (issn: 0031-9422,

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Authors: M Iqbal, Choudhary; Nadra, Naheed; Ahmed, Abbaskhan; Sajjad, Ali; , Atta-ur-Rahman;

doi: 10.1016/j.phytochem.2009.07.013

pmid: 19747701

Hemiterpene glucosides and other constituents from Spiraea canescens

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Abstract

Five glycosides, 2-(trans-cinnamoyloxy-methyl)-1-butene-4-O-beta-D-glucopyranoside (1), 4-(6'-O-trans-cinnamoyl)-(2-hydroxymethyl-4-hydroxy-butenyl-beta-D-glucopyranoside (2), 6''-O-trans-p-coumaroyl-(4-hydroxybenzoyl)-beta-D-glucopyranoside (3), 6'-O-(4-methoxy-trans-cinnamoyl) alpha/beta-D-glucopyranose (4) 6'-O-(4''-methoxy-trans-cinnamoyl)-kaempferol-3-beta-D-glucopyranoside (7) along with six known compounds, (+)-isolariciresinol 3a-O-beta-D-glucopyranoside (8) (+)-lyoniresinol 3a-O-beta-D-glucopyranoside (9), apigenin 7-O-beta-D-glucopyranoside (10), quercetin 3-O-beta-D-glucopyranoside (11), 6'-O-cinnamoyl-alpha/beta-D-glucopyranose (6) 6'-O-p-coumaroyl-alpha/beta-D-glucopyranose (5) were isolated from the whole plant of Spiraea canescens. Some of these compounds showed potent radical scavenging activity in relevant non-physiological assays. Their structures were determined by NMR spectroscopic and CID mass spectrometric techniques.

Related Organizations

International Center for Chemical and Biological Sciences
Pakistan
University of Karachi
Pakistan

Keywords

Molecular Structure, Cinnamates, Plant Extracts, Terpenes, Monosaccharides, Glycosides, Spiraea, Antioxidants

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