Chemistry and Biodiversity 2006-Jan
Antifungal bis[bibenzyls] from the Chinese liverwort Marchantia polymorpha L.
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Abstrakti
Bioassay-guided separation of the antifungal constituents of the Chinese liverwort Marchantia polymorpha L. (Marchantiaceae) led to the isolation of seven bis[bibenzyl]-type macrocycles. On the basis of NMR and MS analyses, the three new compounds plagiochin E (1), 13,13'-O-isoproylidenericcardin D (4), and riccardin H (7) were identified, together with four known compounds: marchantin E (2), neomarchantin A (3), marchantin A (5), and marchantin B (6). Their antifungal activities against Candida albicans were determined by TLC bioautography.