A PROCEDURE FOR PREPARING A SELECTED ANTIBIOTIC SUBSTANCE FROM THE ANTIBIOTIC L 17054 AND ITS SALTS BY ADDITION OF PHARMACEUTICALLY ACCEPTABLE ACIDS

摘要

The present invention is directed to a chemical process for preparing the antibiotic substance denominated antibiotic L 17054 and its pharmaceutically acceptable salts by selectively hydrolyzing teicoplanin or a factor or component thereof with a concentrated strong organic acid.