Synthesis, Characterization and Coordination Chemistry of N,N'-bis(3-pyridylmethyl)benzene-1,4-dicarboxamide with Palladium and Ruthenium Salts
作者:Nuruljannah Suhaida Binti Idris、Maisara Abdul Kadir、Mohammad Moneruzzaman Khandaker
DOI:10.14233/ajchem.2017.20518
日期:——
N,N’-bis(3-pyridylmethyl)benzene-1,4-dicarboxamide (L) is a diamide bridging ligand. Utilization of bridging ligand such as L that exhibits amide moieties has greater potential to encapsulate anion via N-H hydrogen bonding donor groups and form metal ligand interaction via its pendant group containing pyridine-N atom. The complexes derived from this ligand also capable to form metallosupramolecular assemblies with the presence of the respective moieties. N,N’-bis(3-pyridylmethyl)benzene-1,4-dicarboxamide is synthesized from reaction between terephthaloyl chloride and 3-pyridylmethylamine in basic solution. The coordination chemistry between ligand L and two metal salts, palladium chloride and ruthenium chloride were attempted. Based on the combination of spectroscopic techniques such as CHNS, FTIR, NMR, TGA and cyclic voltammetry analysis, the molecular formula of the complexes may be suggested as: [Pd2(L)Cl4] and [Ru2(L)Cl6(H2O)4·2H2O].
N,N'-双(3-吡啶甲基)苯-1,4-二羧酰胺(L)是一种二酰胺桥联配体。使用像L这样的桥联配体,由于其胺结构,具有更大的潜力通过N-H氢键供体基团来包围阴离子,并通过其含有吡啶-N原子的侧链与金属形成配合物相互作用。由这种配体衍生的配合物也能够在相应基团的存在下形成金属超分子组装。N,N'-双(3-吡啶甲基)苯-1,4-二羧酰胺是通过对苯二甲酰氯和3-吡啶甲基胺在碱性溶液中的反应合成的。L配体与两种金属盐(氯化钯和氯化钌)之间的配位化学已被研究。根据CHNS、FTIR、NMR、TGA和循环伏安分析等光谱技术的组合,可能建议配合物的分子式为:[Pd2(L)Cl4]和[Ru2(L)Cl6(H2O)4·2H2O]。