Effect of ligand denticity on the nitric oxide reactivity of cobalt(<scp>ii</scp>) complexes
作者:Hemanta Deka、Somnath Ghosh、Soumen Saha、Kuldeep Gogoi、Biplab Mondal
DOI:10.1039/c6dt01169a
日期:——
The activation of nitric oxide (NO) by transition metal complexes has attracted a wide range of research activity. To study the role of ligand denticity on the NO reactivity of Co(II) complexes, three complexes (1, 2 and 3) were prepared with ligands L1, L2 and L3 [L1 = N1,N2-bis(2,4,6-trimethylbenzyl)ethane-1,2-diamine; L2 = N1-(2,4,6-trimethylbenzyl)-N2-(2-((2,4,6-trimethylbenzyl)amino)ethyl)ethane-1
过渡金属络合物对一氧化氮(NO)的活化吸引了广泛的研究活动。为了研究配体齿合度对Co的NO反应性中的作用(II)配合物,三种复合物(1,2和3)与配位体来制备大号1,大号2和大号3 [大号1 = Ñ 1,Ñ 2 -双(2,4,6-三甲基苄基)乙烷-1,2-二胺; L 2 = N 1-(2,4,6-三甲基苄基)-N 2-(2-((2,4,6-三甲基苄基)氨基)乙基)乙烷-1,2-二胺]和L 3 = N 1-(2,4,6-三甲基苄基)-N 2,N 2 -bis (2-(((2,4,6-三甲基苄基)氨基)乙基)乙烷-1,2-二胺] 配合物在配体骨架的密度和柔韧性方面彼此不同。在脱气的甲醇溶液中,将它们暴露于NO气体中,并使用各种光谱技术研究了它们的反应性。在具有双齿配体的配合物1的情况下,观察到金属离子的还原性亚硝基化与配体骨架的同时二亚硝化。复杂2三齿配体没有进行还原性亚硝基化;相反,形成[CO