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

4,5-Di-O-methylhiascic acid, a new tridepside from the lichens Parmelia pseudofatiscens and Parmelia horrescens

JA Elix and U Engkaninan

Australian Journal of Chemistry 29(12) 2701 - 2705
Published: 1976


The tridepside 4,5-di-O-methylhiascic acid (8) has been isolated from the lichen Parmelia pseudofatiscens. The structure of this compound followed from the spectroscopic data and has been confirmed by total synthesis. This new tridepside was also shown to occur in the lichen Parmelia horrescens.

© CSIRO 1976

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