Stability and C-H Bond Activation Reactions of Palladium(I) and Platinum(I) Metalloradicals: Carbon-to-Metal H-Atom Transfer and an Organometallic Radical Rebound Mechanism.

ABSTRACT: One-electron oxidation of palladium(0) and platinum(0) bis(phosphine) complexes enables isolation of a homologous series of linear d⁹ metalloradicals of the form [M(PR₃)₂]⁺ (M = Pd, Pt; R = tBu, Ad), which are stable in 1,2-difluorobenzene (DFB) solution for >1 day at room temperature when partnered with the weakly coordinating [BAr^F₄]^- (Ar^F = 3,5-(CF₃)₂C₆H₃) counterion. The metalloradicals exhibit reduced stability in THF, decreasing in the order palladium(I) > platinum(I) and PAd₃ > PtBu₃, especially in the case of [Pt(PtBu₃)₂]⁺, which is converted into a 1:1 mixture of the platinum(

SUBMITTER: Kramer T 

PROVIDER: S-EPMC10311531 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature