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Glycosides of arylnaphthalene lignans from Acanthus mollis having axial chirality
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SYSNO ASEP 0327047 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Glycosides of arylnaphthalene lignans from Acanthus mollis having axial chirality Author(s) Řezanka, Tomáš (MBU-M) ORCID
Řezanka, P. (CZ)
Sigler, Karel (MBU-M) RIDSource Title Phytochemistry. - : Elsevier - ISSN 0031-9422
Roč. 70, č. 8 (2009), s. 1049-1054Number of pages 6 s. Language eng - English Country GB - United Kingdom Keywords acanthus mollis ; glycosides ; cytotoxicity Subject RIV EE - Microbiology, Virology R&D Projects 1M06011 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z50200510 - MBU-M (2005-2011) UT WOS 000268658700010 DOI 10.1016/j.phytochem.2009.05.016 Annotation Glycosides of arylnaphthalene lignans having axial chirality were isolated from Acanthus mollis. Owing to the axial chirality, their structure, including absolute configuration, was determined by means of extensive spectroscopic data such as UV, IR, MS, 1D and 2D NMR spectra, and computational chiroptical methods. A compound, 20,4-dihydroxyretrohelioxanthin (20-hydroxy-justirumalin), has a structure containing two aromatic moieties with substituents hindering rotation about the biaryl axis. The aglycone was connected to a saccharide moiety linked at C-4 or C-20 and made up of one or four sugars (rhamnose or quinovose, and tetrasaccharide 4-O-b-D-xylopyranosyl-(100000-600)-O-[b-D-rhamnopyranosyl-(10000-300)]-O-b-Dapiofuranosyl-(10000-200)-O-b-D-glucopyranoside and quinovose) Workplace Institute of Microbiology Contact Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Year of Publishing 2010
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