TRICYCLIC OXAZOLIDINONE ANTIBIOTIC COMPOUNDS

摘要

The present invention relates to antibacterial compounds of formula (I) wherein“----”is a bond or is absent, V is CH, CR6 or N; R0 is H or, if“----”is a bond, may also be alkoxy; R1 is cyano, alkyl, or ethynyl; U is CH or N when“----”is a bond, or, if“----”is absent, U is CH2, NH or NH9; R2 is H, alkylcarbonyl or CH2—R3; R3 is H, alkyl or hydroxyalkyl; R4 is H or, if n is not 0 and R5 is H, may also be OH; R5 is H, alkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, carboxy or alkoxycarbonyl; R6 is hydroxyalkyl, carboxy, alkoxycarbonyl or—(CH2)q—NR7R8, q being 1, 2 or 3 and each of R7 and R8 independently being H or alkyl or R7 and R8 forming with the N atom bearing them a ring; R9 is alkyl or hydroxyalkyl; A is—(CH2)p—,—CH2CH2CH(OH)—or—COCH2CH(OH)—; G is substituted phenyl or G1 or G2, wherein Q is O or S and X is CH or N; and Y1, Y2 and Y3 may each be CH or N; and n is 0 when A is—CH2CH2CH(OH)—or—COCH2CH(OH)—, and n is 0, 1 or 2 when A is—(CH2)p—, p being 1, 2, 3 or 4, with the proviso that the sum of n and p is then 2, 3 or 4; and to salts of such compounds.