Abstract:

A new kind of dendritic-salicylaldehydeimine ligand was synthesized from 1.0G polyamidoamine and salicylaldehyde through the Schiff reaction，and further three kinds of dendritic transition metal catalysts were formed by complexing the dendritic ligand with Cu，Zn and Ni. The structure of the dendritic ligand and the derived catalysts was characterized by elemental analysis，IR，NMR and UV. The catalysis of dendritic catalysts for decomposition of hydrogen peroxide was also studied. The results showed that the structures of dendritic ligand and the derived catalysts were consistent with the theoretical structures，and all the three kinds of dendritic catalysts had high catalytic activity to the decomposition of hydrogen peroxide.

摘要：

以1.0代聚酰胺-胺（PAMAM）与水杨醛为原料，通过席夫碱反应合成一类新型树枝状水杨醛亚胺配体，并进一步与铜、锌、镍络合得到3种树枝状桥联过渡金属催化剂；采用元素分析、红外光谱、核磁共振光谱和紫外光谱分析手段对树枝状配体及树枝状桥联催化剂的结构进行了表征，同时考察了催化剂对分解双氧水反应的催化性能。结果表明，树枝状配体及树枝状桥联催化剂的结构与理论结构相符，且3种催化剂对双氧水分解均具有较高的催化活性。