Synthesis, Cytotoxicity, and Antitumor Activity of Copper(II) and Iron(II) Complexes of <sup>4</sup><i>N</i>-Azabicyclo[3.2.2]nonane Thiosemicarbazones Derived from Acyl Diazines
作者:Johnny Easmon、Gerhard Pürstinger、Gottfried Heinisch、Thomas Roth、Heinz H. Fiebig、Wolfgang Holzer、Walter Jäger、Marcel Jenny、Johann Hofmann
DOI:10.1021/jm000979z
日期:2001.6.1
A series of thiosemicarbazones (TSCs) (bearing a (4)N-azabicyclo[3.2.2]nonane moiety) derived from 3-acylpyridazines, 4-acetylpyrimidines, and 2-acetylpyrazines (1-8) were synthesized as potential antitumor agents. TSCs 1-8 exhibited potent cytotoxic activity against human acute lymphoblastic leukemia CCRF-CEM cells (IC(50) = 0.05-0.77 microM) and colon adenocarcinoma HT-29 cells (IC(50) = 0.011-2
合成了一系列衍生自3-酰基哒嗪,4-乙酰基嘧啶和2-乙酰基吡嗪(1-8)的硫代半脲(TSC)(带有(4)N-氮杂双环[3.2.2]壬烷部分)。TSC 1-8对人急性淋巴细胞白血病CCRF-CEM细胞(IC(50)= 0.05-0.77 microM)和结肠腺癌HT-29细胞(IC(50)= 0.011-2.22 microM)表现出强大的细胞毒活性。TSC 1-8的铜II配合物对HT-29细胞的细胞毒性活性显着提高(IC(50)= 0.004-1.51 microM),提高了3倍。但是,配体1、2、4和6与Fe(II)导致细胞毒性活性降低约7倍。在涉及不同肿瘤起源的人类肿瘤细胞,化合物5、7、8及其铜络合物5Cu(II),7Cu(II)的克隆形成测定中,和8Cu(II)表现出显着的细胞毒性活性,平均IC(50)值为6、0.18、1、1、0.37和0.37 nM。特别地,所述化合物对人结