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US 4,283,493 AGranted
Process of producing antibiotic X-14766A by a streptomyces
AssigneeHoffmann-La Roche Inc.
InventorsChao-Min Liu, John Westley
Life of this patent
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Abstract
A compound of the formula ##STR1## and its pharmaceutically acceptable salts are disclosed. The compound exhibits antibacterial activity, antimalarial activity, has activity as a growth promotant for ruminants and as an agent in the treatment of swine dysentery. Also provided is a process to produce the novel compound.
Claims1
A process to produce a compound of the formula ##STR3## which comprises:
- cultivating a strain of Streptomyces X-14766A, NRRL 11335 in an aqueous carbohydrate solution containing a nitrogenous nutrient under submerged aerobic conditions and thereafter isolating the X-14766A antibiotic from said solution.
Dependencies are inferred from the claim text.