Group A streptogramin derivatives of general formula (I) in which:
R1 represents a halogen atom or an azido or thiocyanato radical,
R2 represents a hydrogen atom or a methyl or ethyl radical,
R3 represents a hydrogen atom, or the residue of an aliphatic, cycloaliphatic, aromatic, araliphatic, heterocyclic or heterocyclylaliphatic ester which may be substituted, and
the bond - - - represents a single bond (stereochemistry 27R) or a double bond,
as well as its salts when they exist.
通用公式(I)中的A组
链霉素衍
生物,其中:
R1代表卤素原子或偶氮基或
硫氰基,
R2代表氢原子或甲基或乙基基,
R3代表氢原子,或脂肪、环脂、芳香、芳基脂肪、杂环或杂环脂肪酯的残基,可能被取代,
连接- - - 代表单键(立体
化学27R)或双键,
以及存在时的盐。