Synthesis, Cytotoxicity, and Insight into the Mode of Action of Re(CO)3 Thymidine Complexes
作者:Mark D. Bartholomä、Anthony R. Vortherms、Shawn Hillier、Birgit Ploier、John Joyal、John Babich、Robert P. Doyle、Jon Zubieta
DOI:10.1002/cmdc.201000196
日期:2010.9.3
and C5 with spacers of various lengths. The corresponding organometallic thymidine complexes were fully characterized by IR and NMR spectroscopy and mass spectrometry. Their cytotoxicity was assessed against the A549 lung carcinoma cell line. Toxicity is dependent on the site and mode of conjugation as well as on the nature and the length of the tether. Moderate toxicity was observed for conjugates carrying
核苷类似物被广泛用于癌症和病毒性疾病的治疗。迄今为止,几乎没有研究过有机or(I)配合物的抗增殖特性。在这里,我们介绍胸苷和尿苷的Re I(CO)3核心配合物的合成,表征和体外评估。用于绑定Re I(CO)3作为核心,在位置C5',C2',N3和C5处引入具有不同长度间隔基的三齿二聚二烯丙基胺金属螯合物。相应的有机金属胸苷配合物通过IR和NMR光谱法和质谱法充分表征。评估了它们对A549肺癌细胞系的细胞毒性。毒性取决于结合的部位和方式,以及系链的性质和长度。观察到用于承载铼部分在位置C5'或N3缀合物中等毒性(IC 50 = 124-160μ中号)。对于在C2'或C5处修饰的复合物,未观察到毒性。在C5'处带有十二碳烯间隔基的配合物53具有显着的毒性,并且比顺铂更有效,IC 50为50的6.0μ值中号。据我们所知,这是[M(CO)3 ] + 1-核苷结合物的抗增殖特性的首次报道。在使用A5