On the structure of Papulacandin B, a new antibiotic with antifungal activity Structure1has been established for Papulacandin B (C47H64O17), a new antibiotic fromPapularia sphaerosperma(PERS.) HÖhnelby means of spectral analysis of1and some derivatives and degradation products. Base catalysed hydrolysis of1gave the two unsaturated fatty acids2and3and the spirocyclic diglycosid4. The structure of4was determined by further degradation reactions.
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Traxler et al. (1977) studied this question.
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