abstract |
New benzothiazine derivatives of formula (I) and their use as antibacterial agents in infectious diseases caused by bacteria especially tuberculosis (TB) and leprosy caused by mycobacteria, in which R1 and R2 are independently of each other, NO2, CN, CONR7R8, COOR9, CHO, halogen, NR7R8, SO2NR7R8, SR9, OCF3, mono-m du and trifluoromethyl; R3 and R4 are, independently of each other. |