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药学学报  2015 

氟喹诺酮c-3稠杂环α,β-不饱和酮衍生物的合成与抗增殖活性

, PP. 569-573

Keywords: 氟喹诺酮,噻唑并三唑酮,不饱和酮,抗增殖活性

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Abstract:

为发现新的抗肿瘤氟喹诺酮先导化合物,用噻唑并[3,2-b][1,2,4]三唑酮稠杂环作为环丙沙星c-3羧基的等排体,进一步与芳香醛发生claisen缩合构建成c-3稠杂环α,β-不饱和酮类目标化合物6a~6r,其结构经元素分析、1hnmr、ms确证。采用mtt法评价了目标化合物对人肝癌hep-3b细胞、人胰腺癌capan-1细胞及人白血病hl60细胞的体外增值抑制活性。结果表明,18个目标化合物对3种实验癌细胞的抗增殖活性均显著高于母体环丙沙星1的活性,其中对capan-1细胞的活性最强,尤其是苯环带有吸电子羧基(6k、6m)和磺酰胺基(6q、6r)化合物的活性相当于或优于对照抗肿瘤药物阿霉素的活性。以上的结果表明,氟喹诺酮c-3羧基用稠杂环不饱和酮取代有利于提高其抗肿瘤活性。

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