Homogeneous hydrogenation of aqueous hydrogen carbonate to formate under mild conditions with water soluble rhodium(I)- and ruthenium(II)-phosphine catalysts
作者： Ferenc Jo� , G�bor Laurenczy , P�ter Kar�dy , J�nos Elek , Levente N�dasdi
DOI: 10.1002/1099-0739(200012)14:12<857::AID-AOC86>3.0.CO;2-9
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摘要: Water-soluble rhodium(I)- and ruthenium(II)tertiary phosphine complexes with meta-mono-sulphonated triphenylphosphine (TPPMS) 1,3,5-triaza-7-phosphaadamantane (PTA) as ligands catalyze the hydrogenation of aqueous HCO3- to HCO2- under mild conditions. No amine additive is needed for good turnovers. CO2 accelerates reactions [RhCl(TPPMS)(3)] catalyst; however, it slightly inhibits reductions catalyzed by [RuCl2(TPPMS)(2)]. Bicarbonate formed in reaction limestone can also be used starting material formate production. Copyright (C) 2000 John Wiley & Sons, Ltd.
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