STREPTOGRAMIN DERIVATIVES PREPARATION THEREOF AND COMPOSITIONS CONTAINING SAME

摘要

The invention concerns group A streptogramin derivatives of general formula (I) wherein: R1 represents cyano or ethynyl radicals; R2 represents a hydrogen atom or a methyl or ethyl radical; -the bond-- represents a single bond (stereochemistry 27R) or a double bond. Said derivatives are particularly interesting antibacterial agents.