The novel partial hydrolysis of peptide bonds by using N→O acyl migrative reactions followed by the methanolysis of the resulting ester linkages were studied to give the successful application with tetrahydro derivative of viomycin, a tuberculostatic antibiotic. Also, the partial hydrolysis of perhydroacetylviomycin yielded two peptide fragments. The sequential analysis of these fragments by Edman-dansyl procedures and the end group analysis concluded that the primary structure of viomycin is formulated as XXV. The sequence is well compatible to the chemical formula I, the one of recently proposed two structures.
研究人员利用 N→O酰基迁移反应对肽键进行了新颖的部分
水解,然后对由此产生的酯连接进行
甲醇分解,从而成功地应用于抗结核抗生素
紫霉素的四氢衍
生物。此外,全氢乙酰
紫霉素的部分
水解还产生了两个肽片段。通过对这些片段进行埃德曼-丹酰序列分析和端基分析,得出
紫霉素的一级结构为 XXV。该序列与最近提出的两种结构之一的
化学式 I 非常吻合。