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Issue 12, 1998
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New water-soluble rhodium(I) complexes containing 1-methyl-1-azonia-3,5-diaza-7-phosphaadamantane iodide

Florian P. Pruchnik,  Piotr Smoleñski,  Ewa Gałdecka  and  Zdzislaw Gałdecki 

Abstract

Reaction of [Rh2Cl2(CO)4] with stoichiometric quantities of 1-methyl-1-azonia-3,5-diaza-7-phosphaadamantane iodide (mtpa+I-) in MeOH and H2O yields square-planar [RhI(CO)(mtpa+I-)2] 1 and trigonal-bipyramidal [RhI(CO)(mtpa+I-)3]·4H2O 2, respectively. The complexes are stable in aqueous solution under inert atmosphere and catalyse the hydroformylation and the hydrocarboxylation of alkenes and the hydrogenation of aldehydes and alkenes. An X-ray crystallography study revealed that 2 has a TBPY-5 structure. The coordination around the Rh atom forms a nearly ideal trigonal bipyramid [a=15.705(3) Å, b=13.219(3) Å, c=20.894(4) Å, monoclinic, space group P21/c, Z=4, β=110.72(3)°].

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Article type: Paper
DOI: 10.1039/A804053B
Citation: New J. Chem., 1998,22, 1395-1398
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    New water-soluble rhodium(I) complexes containing 1-methyl-1-azonia-3,5-diaza-7-phosphaadamantane iodide

    F. P. Pruchnik, P. Smoleñski, E. Gałdecka and Z. Gałdecki, New J. Chem., 1998, 22, 1395
    DOI: 10.1039/A804053B

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