Palladium-lead catalyzed oxidative carbonylation of phenol1Part of this work has appeared in a patent literature. M. Takagi, H. Miyagi, Y. Ohgomori, H. Iwane, US Patent 5498789.1

Masatoshi Takagi, Hidekazu Miyagi, Takahiro Yoneyama, Yuji Ohgomori

doi:10.1016/s1381-1169(97)00188-x

Palladium-lead catalyzed oxidative carbonylation of phenol1Part of this work has appeared in a patent literature. M. Takagi, H. Miyagi, Y. Ohgomori, H. Iwane, US Patent 5498789.1

DOI Web Site Web Site 被引用文献7件

書誌事項

公開日: 1998-03

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https://www.elsevier.com/tdm/userlicense/1.0/

DOI

10.1016/s1381-1169(97)00188-x

公開者: Elsevier BV

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説明

Abstract Oxidative carbonylation of phenol to form diphenyl carbonate (DPC) was examined. A novel catalyst of type Pd–Pb–NMe4Br was found to show high activity and selectivity for the present reaction. The Pd species seems to work as an homogeneous catalyst. The rate of DPC formation was in first order with respect to PO2 and [Pb], indicating that the oxygen activation with lead compound is the rate-determining step. Concomitant bromophenol formation was suppressed by Cu or Co additives and longer catalyst life was achieved with these additives.