Reactivity of Square Planar Pt(II) Complexes Toward Acidic Moieties as H⁺, M⁺, and [ML]⁺ (M = Ag, Au).

ABSTRACT: The Lewis base (LB) properties of the d⁸ Pt(II) are manifested in the formation of Pt→E species, where E are electrophiles such as acidic hydrogens or metal cations. Thus, the reactions of [Pt(CNC)(dmso)] (CNC = 2,6-di(phen-2-ide)-pyridine) toward PPh₂(C₆H₄-o-COOH) or PPh₂(C₆H₄-o-OH) produce complexes [Pt(CNC-H){PPh₂(C₆H₄-o-COO)}] (1) and [Pt(CNC-H){PPh₂(C₆H₄-o-O)}] (2). Their X-ray structures confirm the proton transfer from the OH at the phosphane to one of the phenylene rings of the CNC ligand. Then, the deprotonated oxygen occupies the vacant site. It is proposed that the transfer starts with a hydrogen bond (Pt→H) which evolves to the final pro

SUBMITTER: Martinez-Romera L 

PROVIDER: S-EPMC12548521 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature