申请人:Ma Zhenkun
公开号:US20060019985A1
公开(公告)日:2006-01-26
Novel rifamycin derivatives of formula I (both hydroquinone and corresponding quinone (C
1
-C
4
) forms):
or their salts, hydrates or prodrugs thereof,
wherein: a preferred R comprises hydrogen, acetyl; L is a linker, a preferred linker group elements selected from any combination of 1 to 5 groups shown FIG.
1
, provided L is not
wherein R
1
is H, methyl or alkyl. The inventive compounds exhibit valuable antibiotic properties. Formulations having these compounds can be used in the control or prevention of infectious diseases in mammals, both humans and non-humans. In particular, the compounds exhibit a pronounced antibacterial activity, even against multiresistant strains of microbes.
公式I的新型利福霉素衍生物(包括氢醌和相应醌(C1-C4)形式):或其盐、水合物或前药,其中:首选的R包括氢、乙酰基;L是一个连接剂,首选的连接剂元素选自图1中显示的1到5组的任意组合,但不包括其中R1为H、甲基或烷基的情况。这些创新化合物表现出有价值的抗生素特性。含有这些化合物的配方可用于控制或预防哺乳动物,包括人类和非人类的传染病。特别是,这些化合物表现出明显的抗菌活性,甚至对多重耐药菌株也有效。