METHOD FOR PREPARING OF ANTIBIOTIC A80190

摘要

New polyether antibiotic A80190, its acyl and alkyl ester, acyl ester and urethane derivatives, and salts thereof, are useful antibacterial and anticoccidial agents and increase feed-utilization efficiency in animals. Methods of making A80190 by culture of Actinomodura oligospora NRRL 15877 or NRLL 15878 and synergistic compositions of the A80190 compounds with nicarbazin, 4,4 min -dinitrocarbanilide, certain napthalenamine and benzenamine compounds and metichlorpindol are also provided.