Access to Novel Ruthenium−Amidinate Complexes, (η6-arene)Ru(η2-amidinate)X and [Ru(η2-amidinate)(MeCN)4]+PF6- by Photochemical Displacement of the Benzene Ligand in (η6-C6H6)Ru(η2-amidinate)X
摘要:
Novel ruthenium-amidinate complexes, (eta(6)-C6H5R)Ru(eta(2)-amidinate)X (R = Me, OMe, F) (4) and [Ru(eta(2)-amidinate)(MeCN)(4)]+PF6- (5) are synthesized by photochemical displacement of the benzene ligand in (eta(6)-C6H6)Ru(eta(2)-amidinate)X (3) by arenes or MeCN. The acetonitrile ligands of 5 are easily replaceable by other a-donor ligands (L) such as pyridines, phosphines, and isocyanides to afford the corresponding derivatives, [Ru(eta(2)-amidinate)(MeCN)(n)(L)(4-n)(+)] PF6- (n = 1 or 2).