Light Activated Release of Nitrile Ligands from trans-Ru(L)(PPh₃)₂(nitrile) Complexes.

ABSTRACT: A series of trans-RuL(PPh₃)₂(nitrile) and {RuL(PPh₃)₂}.₂-μ-(nitrile)-based complexes [where L = 2,2'-(3,4-diphenyl-pyrrole-2,5-diyl)dipyridine (dpp), di(pyridin-2-yl)isoindoline-1,3-diimine (bpi), or 4-(4-methoxyphenyl)-6-phenyl-2,2'-bipyridine (Pbpy); and nitrile = 1,4-dibenzontirile, 4-ethynylbenzonitrile, or dicyanamide] were synthesized and characterized, and their electrochemical and photochemical behaviors were investigated. Those complexes that contained a significant nitrile contribution to their ³MLLCT show a release of their nitrile ligand (when L = dpp or Pbpy and the nitrile ligand = 4-dibenzontirile, or 4-ethynylbenzonitrile) with dissociation constants up to 8.09 × 10^-4 s^-1.

SUBMITTER: Davidson RJ 

PROVIDER: S-EPMC11307298 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature