ISOLATION AND STRUCTURE OF RIFAMYCIN L AND ITS BIOGENETIC RELATIONSHIP WITH OTHER RIFAMYCINS

ISOLATION AND STRUCTURE OF RIFAMYCIN L AND ITS BIOGENETIC RELATIONSHIP WITH OTHER RIFAMYCINS

Incubation of rifamycin S with washed mycelium of Streptomyces mediterranei gives rifamycin B, rifamycin Y and a new substance named rifamycin L. The structure of the latter has been established as the 4-glycolyl ester of rifamycin SV. The glycolic moieties of rifamycin B and L appear to have the sa...

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Veröffentlicht in:Journal of antibiotics 1969/08/25, Vol.22(8), pp.369-377
Hauptverfasser: LANCINI, G. G., GALLO, G. G., SARTORI, G., SENSI, P.
Format: Artikel
Sprache:eng
Schlagworte:
Acetates
Carbon Isotopes
Chemical Phenomena
Chemistry
Chromatography
Countercurrent Distribution
Culture Media
Esters
Ethyl Ethers
Glycols - analysis
Infrared Rays
Magnetic Resonance Spectroscopy
Polarography
Rifampin - biosynthesis
Rifampin - isolation & purification
Spectrum Analysis
Streptomyces - analysis
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Zusammenfassung:Incubation of rifamycin S with washed mycelium of Streptomyces mediterranei gives rifamycin B, rifamycin Y and a new substance named rifamycin L. The structure of the latter has been established as the 4-glycolyl ester of rifamycin SV. The glycolic moieties of rifamycin B and L appear to have the same origin. The biogenetic relationships of these rifamycins are discussed.
ISSN:0021-8820
1881-1469
DOI:10.7164/antibiotics.22.369