Polycyclic ether antibiotic
AssigneePfizer Inc.
InventorsWalter D. Celmer, Walter P. Cullen, Charles E. Moppett, John R. Oscarson, John R. Routien
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Abstract
A new polycyclic ether antibiotic with anticoccidial, insecticidal and antimicrobial activity, its production by fermentation and methods for its recovery and purification are described.
Claims5
The method of controlling coccidiosis in poultry which comprises administering to poultry an effective amount for controlling coccidiosis of antibiotic Compound 38,986, or a pharmaceutically acceptable cationic salt thereof incorporated in the diet of said poultry, said antibiotic compound when in the form as the free acid having an optical rotation of .alpha..sub.D.sup.25.degree. = - 7.5.degree. at a concentration of 1% in acetone;
- an average composition by weight of 65.11% carbon, 9.54% hydrogen and 25.35% oxygen (by difference);
- and, when pelleted in KBr, exhibiting characteristic abosrption in the infrared region at the following wavelengths in microns:
- 2.98, 3.44, 5.75, 5.78, 6.85, 7.24, 7.98, 8.38, 8.65, 9.00, 9.23, 9.42, 9.67, 9.83, 10.10, 10.38, 10.92, 11.18, 11.45, 11.85, 13.40, 13.70, and 14.10.
Dependencies are inferred from the claim text.