Rhodium and iridium complexes containing the anion of 1-phenyl-3-methyl-4-benzoyl- pyrazolone-5, a sophisticated analogue of β-diketones
- Bonati, F. 2
- Oro, L.A. 1
- Pinillos, M.T. 1
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1
Universidad de Zaragoza
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2
Università di Camerino
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ISSN: 0277-5387
Año de publicación: 1985
Volumen: 4
Número: 2
Páginas: 357-364
Tipo: Artículo
Otras publicaciones en: Polyhedron
Resumen
Several (diolefin)M(A) complexes (M = Rh, Ir) were prepared, where AH is 1-phenyl-3-methyl- 4-benzoylpyrazolone-5, a very stable asymmetric analogue of acetylacetone. In these complexes the diolefin could be replaced by one mole of (Ph2PCH2CH2)2, two of CO or of PPh3, or three of CNBut, while 1,10-phenanthroline displaced the chelating ligand to yield [(cyclooctadiene)Rh(phen)]+ (A)-. Some compounds X-Y (X-Y = iodine or MeI) added oxidatively yielding the corresponding trivalent species. Using 31P NMR spectra the presence of the expected steric isomers was detected in (Ph3P)(CO)Rh(A) and in (Ph3P) (CO)Rh(A)(X)(Y). © 1985.