Synthesis, characterization, crystal structure, and DNA interaction of tin complexes containing pyridyl ligands
作者:Badri Z. Momeni、Vahid Noroozi
DOI:10.1007/s00706-016-1835-2
日期:2017.5
dimethyltin(IV) dichloride and tin(II) dichloride have been investigated. The resulting products have been fully characterized by elemental analysis and multinuclear (1H, 13C, 119Sn) NMR spectroscopy and X-ray crystal structure determination in the case of [SnCl2(pytpy)] (pytpy = 4′-(4-pyridyl)-2,2′:6′,2′′-terpyridine). The crystal structure of [SnCl2(pytpy)] reveals that tin(II) is pentacoordinated in
摘要4'-芳基-2,2':6',2''-吡啶吡啶(芳基=苯基,对甲苯基,对茴香基,对氯苯基,4-吡啶基)和3-苯基-1,5的反应研究了双(2-吡啶基)-1,5-戊二酮与二氯化二甲基锡(IV)和二氯化锡(II)。在[SnCl 2(pytpy)](pytpy = 4'-(4)的情况下,通过元素分析和多核(1 H,13 C,119 Sn)NMR光谱法和X射线晶体结构测定已充分表征了所得产物。-吡啶基)-2,2':6',2''-叔吡啶)。[SnCl 2的晶体结构(pytpy)]揭示了锡(II)以高度扭曲的方形棱锥几何形状五配位。此外,已经使用紫外可见光谱研究了复合物[SnCl 2(pytpy)]与小牛胸腺DNA(ct-DNA)的结合相互作用。数据表明,凹槽结合是相互作用的模式,结合常数为7.2(±0.2)×10 3 M -1。 图形概要