Fumifungin, a new antifungal antibiotic from Aspergillus fumigatus Fresenius 1863.

From the metabolites present in the culture filtrate during the fermentation of a fungal culture, number Y-83,0405 and identified as Aspergillus fumigatus Fresenius 1 863, a novel antifungal antibiotic, designated as fumifungin (1) was isolated.In this paper we report the isolation and structure elucidation of fumifungin.