Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
Determination of Aglycone Chirality in Dihydroflavonol 3-O-α-L-Rhamnosides by 1H-NMR Spectroscopy
John DE BRITTOVisuvasam Soosai MANICKAMSubbarayan GOPALAKRISHNANToshiyuki USHIODANobutoshi TANAKA
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1995 Volume 43 Issue 2 Pages 338-339

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Abstract

Three dihydroflavonol glycosides, 3-O-α-L-rhamnosides of (2S, 3S)-, (2R, 3R)- and (2R, 3S)-5, 7, 3', 4'-tetrahydroxydihydroflavonol, were isolated from Sphaerostephanos arbuscula as the first example of dihydroflavonols from ferns. Aglycone chirality was determined by 1H-NMR data.

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© The Pharmaceutical Society of Japan
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