Jump to main content
Jump to site search

Issue 20, 1994
Previous Article Next Article

Effects of the nature of the nitrogen donor atom (sp2versus sp3) upon the properties and chemistry of palladated complexes with σ(Pd–Csp2, ferrocene) bonds

Abstract

The NMR and Mössbauer spectra and electrochemistry of the N-donor ferrocenyl ligands [Fe(η5-C5H5){(η5-C5H4CH[double bond, length half m-dash]NCH2Ph)}] and [Fe(η5-C5H5)(η5-C5H4CH2NMe2)] as well as their mononuclear derivatives with σ(Pd–Csp2, ferrocene) bonds [[graphic omitted]CH2Ph)}Cl(L)], [[graphic omitted]Me2)}Cl(L)][L = 1 -methylimidazole (mim) or PPh3], and [Pd{(η5-C5H5)Fe(η5-C5H3CH2NMe2)}Cl(PPh3)2] have been studied. Comparison of the data allows an understanding of the influence of the nature of the N-donor atom of the ferrocenyl moiety (sp2versus sp3) upon the properties of these compounds. In particular, the differences observed in the quadrupole splitting parameters obtained from Mössbauer spectroscopy reveal not only that the palladium(II) acts as an electron-withdrawing group in all these cyclometallated derivatives, but also that most of the electron density is withdrawn from the imine CH[double bond, length half m-dash]N moiety in the derivatives containing ferrocenyl Schiff bases as ligands. The crystal structures of [[graphic omitted]CH2Ph)}Cl(PPh3)] and [[graphic omitted]Me2)}Cl(mim)] have been determined.

Back to tab navigation

Article information


J. Chem. Soc., Dalton Trans., 1994, 3039-3046
Article type
Paper

Effects of the nature of the nitrogen donor atom (sp2versus sp3) upon the properties and chemistry of palladated complexes with σ(Pd–Csp2, ferrocene) bonds

C. López, R. Bosque, X. Solans, M. Font-Bardía, D. Tramuns, G. Fern and J. Silver, J. Chem. Soc., Dalton Trans., 1994, 3039
DOI: 10.1039/DT9940003039

Search articles by author

Spotlight

Advertisements