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US 4,358,584 AGranted
Antibiotics A6888C and A6888X
AssigneeEli Lilly and Company
InventorsStephen M. Nash, Kay F. Koch, Marvin M. Hoehn
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Abstract
Antibiotic compounds of the formula: ##STR1## wherein R' is ##STR2## or --CH.sub.2 OH, and the non-toxic pharmaceutically acceptable acid addition salts thereof, are produced by culturing Streptomyces flocculus NRRL 11459. Techniques for isolating the compounds are also described. Cirramycin A.sub.1 and cirramycin B are coproduced.
Claims3
An antibiotic compound of the formula:
- ##STR7## wherein:
- (a) R' is ##STR8## and (b) R' is --CH.sub.2 OH;
- or a non-toxic, pharmaceutically acceptable acid addition salt thereof.
Dependencies are inferred from the claim text.