Antifungal dibenzofuran bis(bibenzyl)s from the liverwort Asterella angusta

Bioactivity-guided separation of an antifungal extract from the liverwort Asterella angusta (Aytoniaceae) afforded four bis(bibenzyl)s (1-4) and six known ones. All bis(bibenzyl)s exhibited moderate inhibitory effects against the common clinical pathogenic fungus, Candida albicans.