Oxidative Carbonylation of Methanol to Dimethyl Carbonate by Chlorine-Free Homogeneous and Immobilized 2, 2'-Bipyrimidine Modified Copper Catalyst

…, G Vlád, K Barta, CP Mehnert, IT Horváth

Index: Csihony, Szilard; Mika, Laszlo T.; Vlad, Gabor; Barta, Katalin; Mehnert, Christian P.; Horvath, Istvan T. Collection of Czechoslovak Chemical Communications, 2007 , vol. 72, # 8 p. 1094 - 1106

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Citation Number: 22

Abstract

Abstract A chlorine-free catalyst, prepared in situ from Cu (II) acetate and 2, 2'-bipyrimidine, can be used for the oxidative carbonylation of methanol to dimethyl carbonate. In situ high pressure IR and NMR spectroscopic studies suggest the formation of [Cu (2, 2'- bipyrimidine)(CO)-(OMe)] as one of the key intermediates. The catalytic performance of the 2, 2'-bipyrimidine-modified Cu-catalyst is similar to the CuCl-based system. The chlorine ...

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