This invention relates to antibacterial drug compounds of formula (I) containing a fused isothiazolinone or pyrazolone ring and related compounds. It also relates to pharmaceutical formulations of antibacterial drug compounds. It also relates to uses of the derivatives in treating bacterial infections and in methods of treating bacterial infections. Many of the antibacterial drug compounds contain a isothiazolinone or pyrazolone ring fused to a pyridone ring. The compounds have broad spectrum antibacterial activity but are particularly effective against Gram negative strains. wherein X is selected from S, SO, SO2, O and NR4;
这项发明涉及公式(I)中含有融合
异噻唑酮或
吡唑酮环及相关化合物的抗菌药物化合物。它还涉及抗菌药物化合物的制药配方。它还涉及衍
生物在治疗细菌感染和治疗细菌感染方法中的用途。许多抗菌药物化合物含有融合到
吡啶酮环的
异噻唑酮或
吡唑酮环。这些化合物具有广谱抗菌活性,但对革兰氏阴性菌株特别有效。其中X从S、SO、SO2、O和NR4中选择。