配合物[(C3H7)4N]2Cu2Br6的制备及其对甲醇氧化羰化反应的催化性能  

Preparation of bromine-containing copper-organic coordination compound and its catalytic performance in oxidative carbonylation of methanol

作　　者：刘定华[1,2] 姜志样[2] 刘晓勤[2] 钟秦[1] 

机构地区：[1]南京理工大学化工学院,江苏南京210094 [2]南京工业大学化学化工学院,江苏南京210009

出　　处：《化工学报》2009年第7期1714-1718,共5页CIESC Journal

摘　　要：A bromine-containing copper-organic coordination compound was prepared by the reaction of tetrrpropylammonium bromide with copper bromide in ethyl acetate solution.The compound obtained was characterized with FTIR,XRD,ICP-AES and EA.Meanwhile,its catalytic performance for the oxidative carbonylation of methanol was investigated.The results showed that the introduction of ligand could change the density of copper electron cloud,which improved the redox property for the oxidative carbonylation of methanol to prepare dimethyl carbonate.In the presence of strong base and weak acid salts,the per pass conversion of methanol could reach 57% under the reaction conditions of temperature 383 K,pressure 3.5 MPa,and the mass concentration of catalyst in methanol 0.20 g·ml-1.A bromine-containing copper-organic coordination compound was prepared by the reaction of tetrrpropylammonium bromide with copper bromide in ethyl acetate solution. The compound obtained was characterized with FTIR, XRD, ICP-AES and EA. Meanwhile, its catalytic performance for the oxidative carbonylation of methanol was investigated. The results showed that the introduction of ligand could change the density of copper electron cloud, which improved the redox property for the oxidative carbonylation of methanol to prepare dimethyl carbonate. In the presence of strong base and weak acid salts, the per pass conversion of methanol could reach 57% under the reaction conditions of temperature 383K, pressure 3.5 MPa, and the mass concentration of catalyst in methanol 0.20g·ml^-1.

关 键 词：铜配合物 碳酸二甲酯 氧化羰化 配合催化剂 

分 类 号：TQ231.1[化学工程—有机化工]