Antibiotic agents from streptomyces cyaneogriseus...

Details Antibiotic agents from streptomyces cyaneogriseus... Antibiotic agents from streptomyces cyaneogriseus...

C - Chemistry, Metallurgy

12

P

195/108, 260/233

C12P 17/18 (2006.01) C07D 493/22 (2006.01) C07H 19/01 (2006.01) C12N 1/20 (2006.01) C12P 19/02 (2006.01)

Patent

CA 1338140

This invention relates to new agents designated LL-F28249.alpha., LL-F28249.beta., LL-F28249.gamma., LL-F28249.delta., LL-F28249.epsilon., LL-F28249?, LL-F28249?, LL-F28249.theta., LL-F28249?, LL-F28249?, LL-F28249.lambda., LL-F28249µ, LL-F28249?, and LL-F28249.omega., to their production by fermentation, to methods for their recovery and concentration from crude solutions, to processes for their purification and to pharmaceutically and pharmacologically- acceptable salts thereof. These substances have significant activity against helmintic, ectoparasitic and acaridal infections, and thus, are useful in so treating warmblooded animals afflicted with these infections, as well as treating plants inflicted with nematodes. The present invention includes within its scope the biologically pure culture which produces their agents, derived from a newly-discovered and previously uncultured microorganism, Streptomyces cyaneogriseus subsp. noncyanogenus, NRRL 15773.

483037

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