New paramagnetic ruthenium complexes via one-electron reduction of metallacumulenes

Stéphane Rigaut , O Maury , D Touchard , Ph Dixneuf (1)

1 IBCP - Institut de biologie et chimie des protéines [Lyon]

One-electron reductions of [Cl(dppe)(2)Ru=C=C=CR2]PF6 (R = Ph, Me) and [Cl(dppe)(2)Ru=C=C=C=C=CPh2]PF6 with Co(C5H5)(2) provide radical species with the unpaired electron localized on the trisubstituted carbon atom of the cumulene moiety as shown by hydrogen atom capture and EPR spectroscopy.

Domains: Chemical Sciences

Stéphane Rigaut, O Maury, D Touchard, Ph Dixneuf. New paramagnetic ruthenium complexes via one-electron reduction of metallacumulenes. Chemical Communications, 2001, 4, pp.373--374. ⟨10.1039/b008893p⟩. ⟨hal-01475066⟩