Polymer-bound tripe amino-acid schiff base metal copper complexes catalyst and synthesis method thereof

高分子担载三元氨基酸席夫碱金属铜配合物催化剂及其合成方法

Abstract

本发明涉及一种以高分子担载氨基酸席夫碱金属配合物与小分子配体再配位,形成高分子担载三元氨基酸席夫碱金属铜配合物催化剂。用此催化剂在常压下,温度为105℃-115℃催化氧化乙基苯、异丙苯,乙基苯的转化率为20%,产物苯乙酮的选择性为100%,没有副产物生成;虽然异丙苯的转化率为25%,但是产物2-苯基-2-丙醇(PP)选择性为100%。催化剂显示出高活性、高选择性,同时,在该氧化体系中,有下列优点:①催化剂可以通过过滤与反应物和产物分离;②所用的氧化剂氧气对环境没有污染;③此体系没有用任何添加剂。
The invention relates to a macromolecular supported ternary amino acid Schiff base metallic copper complex catalyst formed by coordination of a macromolecular supported amino acid Schiff base metallic complex and micromolecular ligand. By utilization of the catalyst for catalytic oxidation of ethyl benzene and isopropyl benzene under normal pressure and at a temperature of between 105 and 115 DEG C, the conversion rate of the ethyl benzene is 20 percent, the selectivity of an acetophenone product is 100 percent, and no byproducts are generated; and although the conversation rate of the isopropyl benzene is 25 percent, the selectivity of a product, namely 2-phenyl-2-propyl alcohol (PP) is 100 percent. The catalyst has high activity and selectivity, and simultaneously has the following advantages in an oxidation system: firstly, the catalyst can be separated from a reactant and products through filtration; secondly, an oxidant, namely oxygen, does not pollute the environment; and thirdly, the system does not use any additive.

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