Synthesis of monomeric and polymeric alkali and alkaline earth metal complexes using a phosphinoselenoic amide ligand in metal coordination sphere
作者:JAYEETA BHATTACHARJEE、RAVI K KOTTALANKA、HARINATH ADIMULAM、TARUN K PANDA
DOI:10.1007/s12039-014-0711-z
日期:2014.9
temperature. The calcium complex 4 was prepared by two synthetic routes: in the first method, commonly known as salt metathesis reaction, the potassium complex 2 was made to react with alkaline earth metal diiodide at room temperature to afford the corresponding calcium complex. The metal bis(trimethylsilyl)amides were made to react with protic ligand 1in the second method to eliminate the volatile bis(trimethyl)silyl
我们报告镁和钙组成的单体配合物[M(THF)ñ η 2 -Ph 2 P(Se)的N(CME 3)} 2 ] [M = Mg的(3)中,n = 1和M =钙(4,n = 2)]和组成为[K(THF)2 Ph 2 P(Se)N(CMe 3)}] n(2)和[K(THF)Ba Ph 2 P(Se)N(CMe 3)} 3 ] n(5)。钾络合物2通过使双(三甲基甲硅烷基)酰胺钾与膦硒烯酰胺配体(1)在环境温度下反应可以容易地制备。钙络合物4通过两种合成途径制备:在第一种方法中,通常称为盐复分解反应,使钾络合物2在室温下与碱土金属二碘化物反应,得到相应的钙络合物。在第二种方法中,使金属双(三甲基甲硅烷基)酰胺与质子配体1反应以消除挥发性双(三甲基)甲硅烷基胺。镁配合物3和钡配合物5仅通过第一种方法准备。通过单晶X射线衍射分析建立了所有新配合物的固态结构。Mg 2+(0.72Å)和Ca 2+(0