The modular synthesis of Au(I)/Ru(II) decorated mono-and heterobimetallic complexes with π-conjugated [2.2]paracyclophane is described. [2.2]Paracyclophane serves as a rigid spacer which holds the metal centers in precise spatial orientations and allows metal-to-metal distance modulation. A broad set of architectural arrangements of pseudo -geminal, -ortho, -meta, and -para substitution patterns were employed. Metal-to-metal distance modulation of Au(I)/Ru(II) heterobimetallic complexes and the innate transannular πcommunication of the cyclophanyl scaffold provides a promising platform for the investigations of structure-activity relationship and cooperative effects. The Au(I)/Ru(II) heterobimetallic cyclophanyl complexes are stable, easily accessible, and exhibit promising catalytic activity in the visible-light promoted arylative Meyer-Schuster rearrangement.
Ultrafast electronic dynamics and UV absorption of [RuII(bipyridine)2(nicotinamide)2]2+ isolated in an ion trap reveal by transient photodissociation short time constants and spectra comparable to transient absorption in solution. Ligand dissociation dynamics are elucidated.
Ultrafast electronic dynamics and UV absorption of phosphine–ligated (L) coinage metal complexes [Ag2(L)2]2, [AgAu(L)2]2+ and [Au2(L)2]2+ reveal the influence of intermetallic interaction on electronic states. Isomorphic exchange by AuI presumably accelerates ISC rate.
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