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    • 3. 发明申请
    • Benzothiazinone Derivatives and their Use as Antibacterial Agents
    • US20090239851A1
    • 2009-09-24
    • US12227655
    • 2006-05-24
    • A. Vadim MakarovStewart T. ColeUte Möllmann
    • A. Vadim MakarovStewart T. ColeUte Möllmann
    • A61K31/5415C07D417/04A61P31/06
    • C07D417/04C07D491/113
    • The present invention relates to novel benzothiazin derivatives and their use as antibacterial agents in infectious diseases of mammals (humans and animals) caused by bacteria, especially diseases like tuberculosis (TB) and leprosy caused by mycobacteria.The present invention aims at the generation of new compounds with activity against mycobacteria as potential new tuberculosis drugs to overcome problems concerning resistance and drug intolerance.The solution of the present invention is a compound of the formula I wherein R1 and R2 are, independently each from other, NO2, CN, CONR7R8, COOR9, CHO, halogen, NR7R8, SO2NR7R8, SR9, OCF3, mono-, di or trifluoromethyl; R3 and R4 are, independently each from other, H, a saturated or unsaturated, linear or branched aliphatic radical having 1-7 chain members, cycloalkyl having 3-6 carbon atoms, benzyl, SR9, OR9; 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 bivalent radicals: wherein m is 1-4, or represent bivalent radicals a saturated or unsaturated mono or polyheterocycles with heteroatoms N, S, O and substituted by (R10)x, wherein x is 1-4; R7, R8 and R9 are, independently each from other H or a saturated or unsaturated, halogenated or unhalogenated, linear or branched aliphatic radical having 1-7 chain members, mono-, di or trifluoromethyl, halogen, phenyl, or R3 and R4 together represent a bivalent radical —(CH2)n— wherein n is 2-7; R10 is H or a saturated or unsaturated, halogenated or unhalogenated, linear or branched aliphatic radical having 1-7 chain members, NO2, NR7R8, CN, CONR7R8, COOR9, CHO, halogen, SO2NR7R8, SR9, OR9, OCF3, mono-, di or trifluoromethyl, benzyl or phenyl.