Transesterification of dimethyl oxalate with phenol over MoO3/SiO2 catalysts
作者： J GONG , X MA , S WANG , M LIU , X YANG
DOI: 10.1016/S1381-1169(03)00504-1
关键词: Diphenyl oxalate 、 Diphenyl carbonate 、 Dimethyl oxalate 、 Phenol 、 Transesterification 、 Catalysis 、 Organic chemistry 、 Peroxyoxalate 、 Oxalate 、 Chemistry
摘要: Abstract The transesterification of dimethyl oxalate (DMO) with phenol to methyl phenyl (MPO) and diphenyl (DPO) was carried out in liquid phase using a variety solid catalysts. evaluation results showed that MoO3/SiO2 had better activity excellent selectivity target products compared many conventional ester exchange effects supports, loading amount Mo, catalyst reaction time were investigated. Under catalytic conditions, the total selectivities up 98%. And 49.3% yield 17.3% obtained at 453 K presence MoO3/SiO2. A plausible mechanism for over proposed.
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