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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

New Hopane Triterpenoids From Lichens in the Family Physiaceae

AL Wilkins, JA Elix, KL Gaul and R Moberg

Australian Journal of Chemistry 42(8) 1415 - 1422
Published: 1989

Abstract

Three new hopane triterpenes have been isolated from lichens of the family Physciaceae. Two of the triterpenes, 22-hydroxyhopan-6-one (2) and 6 α-acetoxyhopan-22-ol (1b), have been characterized previously but their natural occurrence is reported for the first time, while a new triterpene acid [ aipolic acid (1c)], was isolated and characterized as the corresponding methyl ester. One- and two-dimensional 1H-1H and 13C-lH correlated n.m.r. studies have revealed methyl aipolate to be methyl 6#945;-acetoxy-22-hydroxyhopan-25-oate (1d).

https://doi.org/10.1071/CH9891415

© CSIRO 1989

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