C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/109, 260/233
C12P 19/60 (2006.01) C07H 19/01 (2006.01) C12P 19/44 (2006.01)
Patent
CA 1160972
ABSTRACT Polyether compounds viz. antibiotics X-14868A and X-14868B of the general formula Image I wherein R is hydrogen or methyl, and pharmaceutically acceptable salts thereof. Moreover, two further minor components, viz. anti- biotics X-14868C and D (Na salts). These products are prepared by fermentation of novel Nocardia species. The compounds have antimicrobial activity and promote the growth-of ruminant animals.
369657
Liu Chao-Min
Prosser Barbara
Westley John
Fetherstonhaugh & Co.
Hoffmann-La Roche Limited
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