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Australian Journal of Chemistry
  An international journal for chemical science
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Two New Depsidones From the Lichen Erioderma phaeorhizum Vainio sensu lato

A Binhamat, L Bindin, MW Binsamsudin and JA Elix

Abstract

The depsidones hypophysciosporin (methyl 2-chloro-3,8-dihydroxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo[ b,e ][1,4]dioxepin-7-carboxylate) (9) and 3-O-methylhypophysciosporin (methyl 2-chloro-8-hydroxy-3-methoxy-1,4,6,9-tetra-11-oxo-11H-dibenzo[ b,e ][1,4]dioxepin-7-carboxylate)(10) have been isolated from the lichen Erioderma phaeorhizum and the structures of these metabolites have been established by comparison with synthetic material. In addition the chroman, vitamin E acetate (14), has been isolated from Erioderma tomentosum, the first reported occurrence of this compound in a lichen.

Australian Journal of Chemistry 46(1) 153 - 156 (1993) doi:10.1071/CH9930153

  
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