3'-Hydroxybenzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same.
摘要
<p>A rifamycin derivative having the formula (I): <CHEM> wherein A is a agroup having the formula: <CHEM> in which R<1> is an alkyl group having 4 or 5 carbon atoms or an alkenyl group having 3 to 5 carbon atoms, or a group having the formula: <CHEM> in which n is 3 or 4; or a pharmaceutically acceptable salt thereof. The rifamycin derivative (I) exhibits a strong antibacterial activity against Gram-positive bacteria and acid-fast bacteria, and also exhibits a strong antibacterial activity against tubercle bacilli.</p>
