885622-42-4Relevant articles and documents
Protonation of platinum(II) dialkyl complexes containing ligands with proximate H-bonding substituents
Britovsek, George J. P.,Taylor, Russell A.,Sunley, Glenn J.,Law, David J.,White, Andrew J.P.
, p. 2074 - 2079 (2008/10/09)
The possibility of activating C-H bonds at a platinum(II) center that contains a ligand with a proximate H-bonding functionality, for example a NH2 substituent, has been investigated. A series of platinum(II) dimethyl complexes [Pt(L)Me2], where L is an unsymmetrically substituted bipyridine ligand, has been prepared. Protonation reactions in acetonitrile with 1 equiv of a strong acid generate cationic complexes of the type [Pt(L)Me(CH3CN)]+. The selectivity of the protonation reactions appears to be governed by steric effects rather than H-bonding effects. This is believed to be the result of the low basicity of the amino subsituent in 2-amino pyridines.