摘要 |
Rifamycin compounds having an antibiotic activity, of the formula <IMAGE> in which R is a radical selected from the group comprising hydrogen, linear C4-C8-alkyl, branched C3-C8-alkyl, C3-C4-alkenyl, C3-C6-cycloalkyl, C7-C8-cycloalkylalkyl, C3-C7-alkoxyalkyl, C5-C6-alkyl-tetrahydrofuryl, C5-C6-alkanoyl and C2-C6-monohalogenoalkanoyl and Y is -H or COCH3. |