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Efficient Palladium/1,10-Phenanthroline-Catalyzed Reductive Carbonylation of Mono- and Dinitroarenes to Urethanes in Phosphonium Salt Ionic Liquids

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journal contribution
posted on 06.11.2008, 00:00 by Qian Yang, Al Robertson, Howard Alper
The highly reactive and selective reductive carbonylation of mono- and dinitroarenes to the corresponding mono- and diurethanes was carried out in the presence of a PdCl2/Phen catalytic system, using PSIL110[C14H29(C6H13)3P+PF6] as the ionic liquid under mild reaction conditions. No cocatalyst is required.