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Elevational microhabitats influence some endolichenic traits of Umbilicaria aprina, an alpine lichen species. [PDF]

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Rahimi-Rizi M   +5 more
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Depsidone synthesis. XII. Some exploratory synthetic routes to highly functionalized depsidones

Australian Journal of Chemistry, 1978
Attempts to synthesize the depsidones virensic acid (1), physciosporin (2), and pannarin (3) by routes based on the Ullmann ether condensation and the Hems reaction are described. Selective functionalization of highly substituted p-xylenes by photobromination is reported.
T Sala, MV Sargent
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Depsidone synthesis. Part 19. Some β-orcinol depsidones

J. Chem. Soc., Perkin Trans. 1, 1981
The synthesis of the lichen depsidones 3,8-dihydroxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo[b,e][1,4]-dioxepin-7-carboxylic acid (hypoprotocetraric acid)(4), 8-hydroxy-3-methoxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo[b,e][1,4]dioxepin-7-carboxylic acid (O-methylhyprprotocetraric acid)(5), 4-formyl-3,8-dihydroxy-1,6,9-trimethyl-11-oxo-11H-dibenzo[b,e][1,
Tony Sala, Melvyn V. Sargent
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Depsidone synthesis. Part 11. Synthesis of some fungal depsidones related to nidulin

Journal of the Chemical Society, Perkin Transactions 1, 1978
The synthesis of 3-hydroxy-8-methoxy-1,9-dimethyl-6-(s-butyl)dibenzo[b,e][1,4]dioxepin-11-one (tridechlorodihydronidulin)(34), a derivative of the fungal depsidone nidulin (1), and of 3,8-dihydroxy-1,9-dimethyl-6-(s-butyl)dibenzo[b,e][1,4]dioxepin-11-one (tridechlorodihydro-O-nornidulin)(39), a derivative of the fungal depsidone tridechloro-O ...
Peter Djura, Melvyn V. Sargent
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