Chemistry of Natural Compounds p. 11 - 16 (1983)
Update date:2022-08-03
Topics:
Krivoshchekova, O. E.
Mishchenko, N. P.
Stepanenko, L. S.
Maksimov, O. B.
(+)-Usnic acid, the depside atranorin, and the depsidones fumarprotocetraric, α-alectoronic, and α-collatolic acids, and also the phenoxyisocoumarin derivatives β-alectoronic and β-collatolic acids have been isolated by extraction with hexane and chloroform from lichens Asahinea chrysantha, A. scholanderi, and Parmelia birulae.This is the first time that β-alectoronic acid has been detected in lichens.The structures of the compounds have been established by spectral and chemical methods.
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Doi:10.1021/ja01263a024
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(1942)
