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Issue 11, 2012
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Facile heterogeneous catalytic hydrogenations of C[double bond, length as m-dash]N and C[double bond, length as m-dash]O bonds in neat water: anchoring of water-soluble metal complexes onto ion-exchange resins

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Abstract

Rare examples are known of non-covalent immobilization of water-soluble transition metal complexes onto solid supports and their application in catalytic hydrogenations in neat water. In the present work we report on the synthesis of a novel Ir(I) complex bearing the water soluble monodentate cage phosphine PTA (PTA = 1,3,5-triaza-7-phosphaadamantane) and its immobilisation onto commercial ion-exchange resins by a straightforward heterogenization method. The materials obtained were used as catalysts for the hydrogenations of cyclic imines and α-keto esters under mild conditions using water as a green reaction medium, avoiding as much as possible the use of toxic and/or hazardous solvents.

Graphical abstract: Facile heterogeneous catalytic hydrogenations of C [[double bond, length as m-dash]] N and C [[double bond, length as m-dash]] O bonds in neat water: anchoring of water-soluble metal complexes onto ion-exchange resins

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Publication details

The article was received on 23 Jul 2012, accepted on 14 Sep 2012 and first published on 14 Sep 2012


Article type: Paper
DOI: 10.1039/C2GC36144B
Citation: Green Chem., 2012,14, 3211-3219
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    Facile heterogeneous catalytic hydrogenations of C[double bond, length as m-dash]N and C[double bond, length as m-dash]O bonds in neat water: anchoring of water-soluble metal complexes onto ion-exchange resins

    P. Barbaro, L. Gonsalvi, A. Guerriero and F. Liguori, Green Chem., 2012, 14, 3211
    DOI: 10.1039/C2GC36144B

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