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New rhodium(III) and ruthenium(II) water-soluble complexes with 3,5-diaza-1-methyl-1-azonia-7-phosphatricyclo[3.3.1.13,7]decane.
Autorzy
Rok wydania
2003
Czasopismo
Numer woluminu
42
Strony
3318-3322
DOI
10.1021/ic034044v
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The new water-soluble phosphine complexes of rhodium(III), [RhI4(mtpa)2]I (1), and ruthenium(II), [RuI4(mtpa)2]·2H2O (2) and [RuI2(mtpa)3(H2O)]I3·2H2O (3) (mtpa = 3,5-diaza-1-methyl-1-azonia-7-phosphatricyclo[3.3.1.13,7]decane cation), have been prepared in the reactions of RhCl3·3H2O and RuCl3·3H2O in water in the presence of phosphine and potassium iodide. Properties and reactivity of the complexes have been investigated using 1H and 31P NMR and IR spectroscopies. The complexes have also been structurally characterized by single crystal X-ray diffraction studies. The compounds [RhI4(mtpa)2]I and [RuI4(mtpa)2]·2H2O are zwitterionic octahedral complexes. The compounds were tested as catalysts for two-phase hydroformylation of 1-hexene and hydrogenation of cinnamaldehyde. Complex 1 is a selective catalyst for reduction of the CC bond while complexes 2 and 3 selectively hydrogenate the CO bond.
Adres publiczny
https://doi.org/10.1021/ic034044v
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