Rifamycin derivatives having the following structure of general formula I (both hydroquinone and corresponding quinone (C
1
-C
4
) forms):
or its salts, hydrates or prodrugs thereof; wherein a preferred R
1
comprises hydrogen or acetyl and a prefered R
2
comprises hydrogen, methyl or other lower alkyls; wherein asterik (*) denotes the carbon bearing the chiral center, wherein absolute configuration is assigned as R or S. Methods of preparation of the aforementioned rifamycin derivatives are also described. The compounds exhibit antimicrobial activities, including activities against drug-resistant microorganisms.
具有以下一般式I结构(包括羟基喹酮和相应的醌(C1-C4)形式)的
利福霉素衍
生物或其盐、
水合物或前药;其中优选的R1包括氢或乙酰基,优选的R2包括氢、甲基或其他较低的烷基;其中星号(*)表示手性中心的碳原子,绝对构型为R或S。还描述了前述
利福霉素衍
生物的制备方法。这些化合物表现出抗微
生物活性,包括对耐药微
生物的活性。