VERFAHREN ZUR HERSTELLUNG VON ANTIBIOTIKUM L17046, EIN TEICOPLANINDERIVAT.

摘要

This invention relates to a process for converting a teicoplanin-like compound into antibiotic L 17046 characterized in that a teicoplanin-like compound selected from teicoplanin complex, any further purified preparation thereof, teicoplanin factor A2, teicoplanin factor A3, each of the main components of teicoplanin factor A2, antibiotic L 17054 and a mixture of two or more of the above substances in any proportion is submitted to hydrolysis with a strong acid in the presence of a polar aprotic organic solvent selected from ethers, ketones and mixtures thereof that a room temperature are liquid.