A Continuous-Wave EPR Investigation into the Photochemical Transformations of the Chromium(I) Carbonyl Complex [Cr(CO)₄bis(diphenylphosphino)]⁺ and Reactivity with 1-hexene.

ABSTRACT: Chromium complexes containing a bis(diphenylphosphino) ligand have attracted significant interest over many years due to their potential as active catalysts for ethylene oligomerisation when combined with suitable co-catalysts such as triethylaluminium (TEA) or methylaluminoxane (MAO). While there has been considerable attention devoted to the possible reaction intermediates and the nature of the Cr oxidation states involved, the potential UV photoactivity of the Cr(I) complexes has so far been overlooked. Therefore, to explore the photoinduced transformations of bis(diphenylphosphino) stabilized Cr(I) complexes, we used continuous-wave (CW) EPR to study the effects of UV radiation on a cationic [Cr(CO)₄(dppp)]⁺[Al(OC(CF₃)₃)₄]^-

SUBMITTER: Fioco D 

PROVIDER: S-EPMC10819051 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature