The present invention relates to novel substituted quinoline derivatives according to the general formula (Ia) or formula (Ib): including any stereochemically isomeric form thereof, a pharmaceutically acceptable salt thereof, a -oxide form thereof or a solvate thereof. The claimed compounds are useful for the treatment of a bacterial infection. Also claimed is a composition comprising a pharmaceutically acceptable carrier and, as active ingredient, a therapeutically effective amount of the claimed compounds, the use of the claimed compounds or composit ions for the manufacture of a medicament for the treatment of a bacterial infection and a process for preparing the claimed compounds.
