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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.
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Yang et al. (2008) studied this question.
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