The True Identity of the Triterpene Component of Wyethia mollis, a Lanosta-diene Containing a Tetrahydropyran E-ring

The crystal structure of a triterpene component of Wyethia mollis has been obtained and compared with the previously reported structure of the compound. The compound in the crystal structure, lanosta-8,24-dien-3-one, 16,23-epoxy-(16β, 23R), (1), is different from the previously reported compound, bu...

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Bibliographic Details
Published in:Natural product communications 2013-03, Vol.8 (3), p.299-300
Main Authors: Smith, Cole T., Noll, Bruice, Waddell, Thomas G., Knight, Kyle S.
Format: Article
Language:English
Subjects:
Asteraceae - chemistry
Magnetic Resonance Spectroscopy
Molecular Structure
Triterpenes - chemistry
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Summary:The crystal structure of a triterpene component of Wyethia mollis has been obtained and compared with the previously reported structure of the compound. The compound in the crystal structure, lanosta-8,24-dien-3-one, 16,23-epoxy-(16β, 23R), (1), is different from the previously reported compound, but has identical NMR and mass spectrometric data. The revised structure contains a tetrahydropyran E ring, a structural moiety rare in steroid triterpenes.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X1300800306