2-piperazin-1-yl-4h-1,3-benzothiazin-4-one derivatives and their use for the treatment of mammalian infections

The present invention relates to new 2-piperazin-1-yl-4H-1,3-benzothiazin- 4-one derivatives and their use for the treatment of mammalian infections caused by bacteria, especially diseases like tuberculosis (TB), Buruli ulcer and leprosy that result from infection with closely related mycobacteria. (I).