Influence of Indole-<i>N</i> Substitution of Thiosemicarbazones in Cationic Ru(II)(η<sup>6</sup>-Benzene) Complexes on Their Anticancer Activity
作者:Nithya Balakrishnan、Jebiti Haribabu、Mahendiran Dharmasivam、Jayachandra Prakasan Jayadharini、Dhanabalan Anandakrishnan、Srividya Swaminathan、Nattamai Bhuvanesh、Cesar Echeverria、Ramasamy Karvembu
DOI:10.1021/acs.organomet.2c00604
日期:2023.2.13
their complexes are known to possess various biological activities. The variation in anticancer activity with different indole-N substituents of TSCs in the RuII-benzene complexes (C1–C7) was studied. The complexes were adequately characterized using analytical and spectroscopic techniques. The single crystal X-ray diffraction (XRD) technique confirmed the piano-stool structure of the complexes (C4 and
已知吲哚缩氨基硫脲 (TSC) 及其配合物具有多种生物活性。研究了Ru II -苯络合物 ( C1 – C7 ) 中 TSC 的不同吲哚-N取代基的抗癌活性变化。使用分析和光谱技术充分表征了复合物。单晶 X 射线衍射 (XRD) 技术证实了复合物 ( C4和C7 )的琴凳结构。配合物结构的理论发现支持了实验结果。配合物 ( C1 – C7) 表现出与 DNA/蛋白质的良好生物分子相互作用以及对 MB-MDA-231 和 MCF-7 癌细胞的显着抗癌潜力。此外,复合物对正常人体细胞的毒性最小,表明复合物的选择性。与烯丙基相比,TSC 配体的吲哚-N处的苄基取代基似乎改善了其复合物的细胞毒性特征。在苄基支架中,与间位取代化合物(C4和C7 )相比,对位取代的 [甲基 ( C5 ) 和氯 ( C6 )] 化合物提高了抗癌活性。Hoechst 和 AO-EB 染色有助于观察活性复合物诱导的细胞凋亡变化MB-MDA-231