Abstract

AbstractHydrolysis by strong hydrochloric acid degrades the antibiotic Saramycetin (= X‐5079 C), discovered by BERGERet al. [l], with production of different sulphur‐free amino acids and of two types of sulphur containing compounds: (a) large amounts of cystine (23 mol. for a molecular weight of 14000 for saramycetin) originated from at least 46 cysteinogenetic groups which are shown to be probably thiazolidinic;(b) acids containing heterocyclic sulphur, for which the name of saramycetic acids is proposed and which do not yield cystine by hydrolysis.

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