Electronic and ring size effects of N-heterocyclic carbenes on the kinetics of ligand substitution reactions and DNA/protein interactions of their palladium(II) complexes
作者:Reinner O. Omondi、Deogratius Jaganyi、Stephen O. Ojwach
DOI:10.1007/s10534-023-00507-8
日期:2023.10
The synthesis, substitution kinetics and DNA/BSA interactions of four cationic Pd(II) complexes [Pd(1)Cl]BF4 (Pd1), [Pd(2)Cl]BF4 (Pd2), [Pd(3)Cl]BF4 (Pd3) and [Pd(4)Cl]BF4 (Pd4), derived from the reaction of [PdCl2(NCCH3)2] with ligands 2,6-bis(3-methylimidazolium-1-yl)pyridine dibromide (1), 2,6-bis(3-ethylimidazolium-1-yl)pyridine dibromide (2), 2,6-bis(1-methylimidazole-2-thione)pyridine (3), and
四种阳离子 Pd(II) 配合物 [Pd( 1 )Cl]BF 4 ( Pd1 )、[Pd( 2 )Cl]BF 4 ( Pd2 )、[Pd( 3 )Cl ]BF 4 ( Pd2 )的合成、取代动力学和 DNA/BSA 相互作用]BF 4 ( Pd3 ) 和 [Pd( 4 )Cl]BF 4 ( Pd4 ),源自 [PdCl 2 (NCCH 3 ) 2 ] 与配体 2,6-双(3-甲基咪唑鎓-1-基)的反应二溴化吡啶( 1 )、二溴化2,6-双(3-乙基咪唑鎓-1-基)吡啶( 2 )、2,6-双(1-甲基咪唑-2-硫酮)吡啶( 3 )和2,6-分别报道了双(1-乙基咪唑-2-硫酮)吡啶( 4 )。通过各种光谱技术和化合物Pd2的单晶 X 射线衍射对配合物进行了表征。与生物学相关的亲核试剂硫脲 ( Tu )、L-蛋氨酸 ( L-Met ) 和鸟苷 5'-单磷酸钠盐 ( 5'-GMP ) 的配合物的动力学反应性顺序为:Pd1