Absolute configuration assignment of an unusual homoisoflavanone from Polygonum ferrugineum using a combination of chiroptical methods

Batista, J, Wang, B, Castelli, M, Blanch, E and López, S 2015, 'Absolute configuration assignment of an unusual homoisoflavanone from Polygonum ferrugineum using a combination of chiroptical methods', Tetrahedron Letters, vol. 56, no. 44, pp. 6142-6144.


Document type: Journal Article
Collection: Journal Articles

Title Absolute configuration assignment of an unusual homoisoflavanone from Polygonum ferrugineum using a combination of chiroptical methods
Author(s) Batista, J
Wang, B
Castelli, M
Blanch, E
López, S
Year 2015
Journal name Tetrahedron Letters
Volume number 56
Issue number 44
Start page 6142
End page 6144
Total pages 3
Publisher Pergamon Press
Abstract The absolute configuration of the homoisoflavanone 5,7-dihydroxy-6-methoxy-3-(9-hydroxy-phenylmethyl)-chroman-4-one (1), found in Polygonum species, has been determined as 3R,9R by using a combination of electronic and vibrational chiroptical spectroscopic methods. The experimental spectra were interpreted with the aid of density functional theory calculations. The risks of relying upon a single method for stereochemical characterization of natural products are discussed.
Subject Medicinal and Biomolecular Chemistry not elsewhere classified
Keyword(s) DFT
ECD
OR
ROA
VCD
DOI - identifier 10.1016/j.tetlet.2015.09.102
Copyright notice © 2015 Elsevier Ltd. All rights reserved.
ISSN 0040-4039
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