Polyenecarboxylic acid derivatives, processes for preparing them, and their use

摘要

The present invention relates to novel compounds, termed serpentemycins, of the formula (I) in which Y, R, R2, R3, R4, X, X2, X3, n, m and o are as defined in the specification, which are formed by the microorganism Actinomycetales sp. DSM 14865 during its fermentation, to chemical derivatives of the serpentemycins, to a process for preparing them, and to their use as pharmaceuticals, in particular for the treatment and prophylaxis of infectious bacterial diseases.