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  • Title: Oxidation of brefeldin A.
    Author: Proksa B, Uhrin D, Adamcová J, Fuska J.
    Journal: Pharmazie; 1992 Aug; 47(8):582-4. PubMed ID: 1438510.
    Abstract:
    Oxidation of the macrolide antibiotic brefeldin A with pyridinium chlorochromate adsorbed on alumina afforded [6S, 10E, 11aS, 14E]-6-methyl-2,3,6,7,8,9,11a,12-octahydro-4 H-cyclopent[f]oxacyclotridecin-1,4,13-trione together with 13-oxobrefeldin. These compounds showed higher cytotoxic activity on P388 leukemia cells than brefeldin A, brefeldin A-1,13-diacetate, brefeldin A-13-acetate, tetrahydrobrefeldin or tetrahydrobrefeldin-1,13-dione. 13-Oxobrefeldin exceeded brefeldin A in antifungal activity on Candida albicans.
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