PSEUDOMONIC ACID C, PHARMACEUTICALLY ACCEPTABLE SALTS OR ESTERS THEREOF, PROCESSES FOR THEIR PREPARATION AND PHARMACEUTICAL OR VETERINARY COMPOSITIONS CONTAINING THEM

摘要

A compound of formula (II), named pseudomonic acid C or a salt or ester thereof: (II) has antibacterial and anti-mycoplasma activity, and can be produced either by fermentation of Pseudomonas fluorescens, or by de-oxygenation of pseudomonic acid A, the compound having a epoxide in place of the double bond. The compounds are therefore useful in the treatment of human and veterinary bacterial and mycoplasma-induced infections.