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Structure assignment by 1H and 13C NMR of two epimers derived from glycyrrhetic acid

✍ Scribed by Alessandro Bongini; Michele Contento; Mario Orena; Giorgio Pifferi; Roberto Erba

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 153 KB
Volume: 22
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1270220114

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✦ Synopsis

A full assignment of the 13C signals of four pentacyclic triterpenes confirms the results obtained by 'H NMR analysis of steroidal methyls, resolving the stereochemistry of the oxidation product of 3-~-acetoxyolean-12-en-30-oic acid methyl ester.

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