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2899377 
Journal Article 
Synthesis, characterization and applications of vinyl functionalized N-heterocyclic carbene supported ruthenium(II) derivatives 
Suresh, P; Munisamy, V; Prabusankar, G 
2015 
1 
Indian Journal of Chemistry. Section A
ISSN: 0376-4710
EISSN: 0975-0975 
54 
5 
588-595 
WOS:000354911700002 
New ruthenium(II) N-heterocyclic carbene complexes of the general formula [ArCH2(VIm)RuCl2(p-cymene)] (VIm = vinylimidazole; Ar = mesitylene (5) or napthalene (6)) are obtained from the transmetallation reaction between [MesCH(2)(VIm)AgBr] (Mes = mesitylene (3)) or [NpCH2(VIm)AgCl] (Np = napthalene (4)) and [(p-cymene)RuCl2](2). The silver carbene complexes (3) and (4) are synthesized from the direct reaction between the corresponding pi-functionalized imidazolium salts, [MesCH(2)(VIm)Br] (1) or [NpCH2(VIm)Cl] (2), with silver oxide in good yield. The compounds (1), (2), (5) and (6) are characterized by elemental analysis, FT-lR and multinuclear (H-1 and C-13) NMR spectroscopy. Furthermore, ligand (1) is characterized by single crystal X-ray diffraction technique. The coordination mode and possible olefin-Ru pi-interaction in (5) and (6) are investigated. The complexes (5) and (6) are stable and soluble in dichloromethane and chloroform.Compounds (5) and (6) are catalytically active towards the hydrogen transfer reactions. 
Coordination chemistry; Metal-olefin interactions; Transmetallation; Hydrogenation; Heterocyclic compounds; Carbenes; N-Heterocyclic carbenes; Carbonyls; Silver; Ruthenium