| abstract |
Disclosed are benzothiazine derivatives of formula (I), wherein R5 and R6 are, independently each from other, a saturated or unsaturated, halogenated or unhalogenated, linear or branched aliphatic radical having 1-8 chain members, cycloalkyl having 3-6 carbon atoms, phenyl, or R5 and R6 together represent a bivalent radical -(CR92)m-, or R5 and R6 together represent a bivalent radical of formula (II) or (III), and the remaining substituents are as defined in the specification. Also disclosed is their use as antibacterial agents in infectious diseases caused by bacteria, especially tuberculosis (TB) and leprosy caused by mycobacteria. |