| abstract |
(57) [Summary] [Objective] To provide a novel antibiotic SF2768 substance by a culture method of actinomycetes. [Structure] Streptomyces sp. SF2768 strain was cultivated in a medium containing nutrients that can be used by ordinary microorganisms, and the obtained culture was subjected to solvent extraction, silica gel column chromatography, gel filtration, etc. The desired product was isolated. The molecular formula of the novel antibiotic SF2768 is C 16 H 24 N 4 O 4 , and its structural formula is shown below. [Chemical 3] |