用噁二唑硫酮杂环作为培氟沙星(1)的C3羧基电子等排体,得中间体C3噁二唑硫酮4(5),再将其与仲胺或取代苯胺及甲醛通过氨甲基化反应形成系列氟喹诺酮C3噁二唑硫酮曼尼希碱(6a ～6j)目标化合物.用元素分析、1H NMR和MS测试技术确证了目标化合物的组成和结构.采用MTT法评价了目标化合物对体外培养人肝癌Hep-3B细胞生长的抑制活性.结果表明,10种目标化合物活性均显著高于对照化合物1的活性,并且脂肪胺曼尼希碱的活性高于芳香胺曼尼希碱的活性.
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