Stoffwechselprodukte von Mikroorganismen. 219. Mitteilung. Versuche zur Strukturaufklärung von Niphimycin, 2. Teil. Die Konstitution von Desmalonyl??niphimycin I

W Keller??Schierlein, B Joos, HP Kaiser…

文献索引：Keller Schierlein; Joos; Kaiser; Gassmann Helvetica Chimica Acta, 1983 , vol. 66, # 1 p. 226 - 258

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摘要

Summary A stepwise degradation of copiamycin and niphimycin I with ozone and sodium periodate, partly combined with D-labelling, and intense spectroscopic investigations of the degradation products led to the structural formulae 34 for demalonylcopiamycin (in agreement with the structure proposed by Zwasaki et al. for the same antibiotic) and 38 for demalonylniphimycin. The antibiotics copiamycin and niphimycin are half esters of ...