Abstract
AbstractTransmetalation of Hg(ptpy)2 [Hptpy = 2‐(4‐tolylpyridine) with Cp*Ru(NO)Cl2 (Cp* = η5‐C5Me5)] gave [Cp*Ru(NO)(ptpy)]2[Hg2Cl6] ([1]2·Hg2Cl6) whereas that with [Cp*RuCl2]x gave the dinuclear RuII–RuIV compound [Cp*Ru(μ‐η6:η2‐ptpy)RuCl2Cp*][Hg2Cl6] (2). Treatment of Ru(3‐phenylindenylid‐1‐ene)Cl2(PPh3)2 with Hg(ptpy)2 resulted in coupling of ptpy with the 3‐phenylidenylid‐1‐ene ligand, and the formation of Ru(Ph‐ind‐ptpy)(PPh3)Cl {Ph‐ind‐tpy = 3‐phenyl‐1‐[2‐(4‐toyl)pyridyl]indenyl} (3), in which the chelated [Ph‐ind‐tpy]– ligand binds to Ru through the η5‐indenyl ring and the pendant pyridyl group. Treatment of [Ru(CO)2Cl2]n with [Hg(ptpy)Cl]2 afforded [Ru(ptpy)(CO)2]2(μ‐Cl)2 (8). Irradiation of cis‐[Ru(bzq)2(CO)2] (Hbzq = benzo[h]quinoline) with UV light in MeCN afforded cis‐[Ru(bzq)2(CO)(MeCN)] (9). Photolysis of cis‐[Ru(bzq)2(CO)2] in THF in the presence of PPh3 and pyridine (py) afforded cis‐[Ru(bzq)2(CO)(L)] [L = PPh3 (10), py (11)]. The crystal structures of complexes 1–3, 8, and 10 have been determined. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)
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