Journal
CATALYSIS LETTERS
Volume 65, Issue 1-3, Pages 57-60Publisher
SPRINGER
DOI: 10.1023/A:1019044600244
Keywords
oxidative carbonylation; phenol; carbon monoxide; palladium; diimine
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Pd complexes with diimine ligands were investigated as novel Pd catalysts for direct synthesis of diphenyl carbonate by oxidative carbonylation of phenol using carbon monoxide and air. Best efficiency was obtained by using a PdCl2(ArN=CH-)(2) or PdCl2(ArN=CMe-)(2)/Mn(TMHD)(3)/(Ph3P=)(2)NBr system where TOF reached 8.08 and 8.00 mol-DPC/mol-Pd h, respectively. The efficiency was increased with increases in the CO pressure.
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