Carbonylation of nitrobenzene to phenyl isocyanate and methyl carbamate catalyzed by palladium and rhodium activated by chelating nitrogen donor ligands

Article abstract of DOI:10.1016/0304-5102(91)85110-N

During our studies on the reductive carbonylation of nitrobenzene, we have found that palladium metal supported on alumina is an effective catalyst for the formation of phenyl isocyanate, PhNCO, when activated by ortho-phenanthroline or its derivatives, a