{[co(2,2′dpa)(2,2′bipy)]2h2o}n和alcucom準(zhǔn)晶合金的制備及催化環(huán)己烯氧化性能研究

1、 內(nèi)蒙古工業(yè)大學(xué)碩士學(xué)位論文 II Abstract Oxidation of olefins is widely applied. Cyclohexene is an important olefin and easily oxidized to form a variety of products. These products are mostly synthetic organic intermediates which hav

2、ing the application value in fine chemicals fields of pharmaceuticals, pesticides, perfumes, surfactants etc. At present, hydrogen peroxide and t-butyl hydrogen peroxide are used as the oxidants in the process of oxidati

3、on of cyclohexene, the process has defects such as corrosion of the equipments and high cost. In terms of environmental protection and cheap price, molecular oxygen is an ideal source of oxygen. Therefore, the design and

4、 synthesis of green and efficient catalyst which can catalyze the oxidation of cyclohexene under mild conditions have become the focus of the study. Metal-organic frameworks (MOFs) have high porosity and good chemical st

5、ability. A new type of metal-organic framework compound {[Co(2,2´-dpa)(2,2´-bipy)]·2H2O}n was synthesized by hydrothermal method with 2,2´-bipyridine heterocyclic ring and 2,2´-diphenyl carboxyl

6、ic acid ligands as two raw materials. The composition and structure of the novel compound were characterized. It catalyzed oxidation reaction of cyclohexene with molecular oxygen under solvent-free conditions. The influe

7、nce of reaction conditions such as reaction time, reaction temperature and catalyst dosage was investigated. The result reveals that the novel MOF catalyst has a higher turn over frequency with high efficiency. Quasicry

8、stal has potential applications in catalysis field because of its surface special grain structure and electronic structure, and it can become a catalyst which has unique performance. A series of Al-Cu-Co-M alloy catalyst

9、s were designed and synthesized, and their composition and structure were characterized. These alloy catalysts catalyzed oxidation reaction of cyclohexene with molecular oxygen under solvent-free conditions. The influenc

10、e of reaction conditions such as reaction time, reaction temperature and catalyst dosage was investigated. The quasicrystal alloys have higher catalytic activity in the catalytic oxidation reaction of cyclohexene and all