Pyrrolosporin A, a New Antitumor Antibiotic from Micromonospora sp. C39217-R109-7. II. Isolation, Physico-chemical Properties, Spectroscopic Study and X-ray Analysis.
- 1 January 1996
- journal article
- Published by Japan Antibiotics Research Association in The Journal of Antibiotics
- Vol. 49 (9) , 865-872
- https://doi.org/10.7164/antibiotics.49.865
Abstract
Pyrrolosporin A (1) is a new macrolide antitumor antibiotic possessing an unusual spiro-alpha-acyltetronic acid moiety. The antibiotic was isolated from the fermentation broth of Micromonospora sp. by vacuum liquid chromatography, crystallization and reversed phase HPLC (C18). The structure was determined by a combination of NMR, MS, IR, UV, X-ray analysis and degradation studies.Keywords
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