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2,2′ : 6′,2″-Terpyridine (terpy) acting as a fluxional bidentate ligand. Part 3. Ruthenium carbonyl halide complexes, [RuX2(CO)2(terpy)](X = Cl, Br or I) and metal tetracarbonyl complexes [M(CO)4(terpy)](M = Cr, Mo or W): nuclear magnetic resonance studies of their solution dynamics and synthesis of trans-[RuX2(CO)(terpy)](X = Cl, Br or I)
- Source :
- J. Chem. Soc., Dalton Trans.. :111-116
- Publication Year :
- 1994
- Publisher :
- Royal Society of Chemistry (RSC), 1994.
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Abstract
- Under mild conditions 2,2′ : 6′,2″-terpyridine reacted with [{RuX2(CO)2}n](X = Cl, Br or I) and with [M(CO)4(nbd)][M = Cr, Mo or W; nbd = norbornadiene (bicyclo[2.2.1]hepta-2,5-diene)] to form the octahedral complexes trans, cis-[RuX2(CO)2(terpy)] and [M(CO)4(terpy)], respectively, in which the terpyridine acts as a bidentate chelate ligand. In solution these complexes are fluxional with the terpyridine oscillating between equivalent bidentate modes. Heating trans,cis-[RuX2(CO)2(terpy)](X = Cl, Br or I) in a high boiling solvent formed trans-[RuX2(CO)(terpy)] whereas cis-[RuX2(CO)(terpy)] was formed by heating the solid dicarbonyl complex.
Details
- ISSN :
- 13645447 and 03009246
- Database :
- OpenAIRE
- Journal :
- J. Chem. Soc., Dalton Trans.
- Accession number :
- edsair.doi...........2e62a48efa4dc650c9b34f18bdb79e77