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Two isomeric epoxysitosterols from Rhododendron formosanum: 1H and 13C NMR chemical shift assignments

✍ Scribed by Vivek Krishna; Chi-I Chang; Chang-Hung Chou

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 114 KB
Volume: 44
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1844

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✦ Synopsis

Abstract

^1^H and ^13^C NMR assignments of the two isomeric epoxysitosterols, 5,6α‐epoxy‐5α‐stigmastan‐3β‐ol (1) and 5,6β‐epoxy‐5β‐stigmastan‐3β‐ol (2), isolated from the leaves of Rhododendron formosanum Hemsl were achieved by 1D and 2D techniques such as DEPT, HMBC, HMQC, COSY and NOESY. Copyright © 2006 John Wiley & Sons, Ltd.

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