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Complete 1 H and 13 C NMR assignments of four new oligosaccharides and two new glycosides from Periploca forrestii
Author(s) -
Feng Jiaquan,
Zhao Weimin
Publication year - 2009
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.2440
Subject(s) - chemistry , glycoside , heteronuclear single quantum coherence spectroscopy , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , carbon 13 nmr , disaccharide
Four new oligosaccharides (1–4), one new pregnane glycoside (5), and one new cardiac glycoside (6) were isolated from the roots of Periploca forrestii Schltr. (Asclepiadaceae), a traditional Chinese medicine used for the treatment of rheumatoid arthritis and wounds. Their structures were characterized on the basis of extensive analysis of NMR ( 1 H, 13 C NMR, 1 H‐ 1 H COSY, HSQC, HMBC, TOCSY and ROESY) spectra. Copyright © 2009 John Wiley & Sons, Ltd.