| abstract |
The invention relates to antibiotic derivatives of formula (I) wherein: A represents -O-, S, -C(=O)-, -C(=NOR6)-; Z-B represents NCH2CH2, NCOCH2, NCH2CO, NCH2CH(OH), CHN(R8)CH2 or CHN(R8)C0; D represents binuclear heteroaryl; Y1 represents -CR1- or -N-, Y2 represents -CR2- or -N-, Y3 represents -CR3- or -N- and Y4 represents -CR4- or -N-; U represents -NH-, -O- or -S- and V represents -N- or -CH-; W represents -CH2-, -O- or -NR7-; R1 represents H, methyl, ethyl or halogen; R2, R3 and R4 each represent independently H, C1-C4 alkyl, halogen, or C1-C4 alkoxy; R5 represents H, C1-C4 alkyl or fluorine; R6 represents H, C1-C4 alkyl or EiTyI-C1-C4 alkyl; R7 represents H, C1-C4 alkyl, aryl-Q-Q alkyl or -CH2-COOH; R8 represents H, C1-C4 alkyl or -CH2-COOH; with the provisos that if Z-B represents NCH2CH2, NCOCH2, NCH2CO or NCH2CH(OH), then W represents -CH2-; if A represents O or S, then W represents -CH2-; and only one or two of Y1, Y2, Y3 and Y4 can represent N at the same time. |