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Synthesis, Characterization and Catalytic Activity of New N-Heterocyclic

Synthesis, Characterization and Catalytic Activity of New N-Heterocyclic

Title: Synthesis, Characterization and Catalytic Activity of New N-Heterocyclic;
Bis(carbene)ruthenium Complexes
Ozdemir, I; Demir, S; Gurbuz, N; Cetinkaya, B; Toupet, L; Bruneau, C; Dixneuf, PH
URI: http://hdl.handle.net/11616/82402
Date: 2009

Abstract:

 
The reaction of RuCl2(PPh3)(3) with tBuOK-deprotonated ortho-xylyl-bis(N-imidazolinium) salts 1a-d yields RuCl2(PPh3)[bis(imidazolidin-2-ylidene)] complexes (2a-d). Under similar conditions, [RuCl2(p-cymene)](2) leads to the ruthenium complex 3 containing a tridentate eta(6)-arene-dicarbene ligand. All synthesized compounds were characterized by elemental analysis and NMR spectroscopy, and the molecular structures of 2a, 2b and 3 were determined by X-ray crystallography. The catalytic activity of RuCl2(PPh3)[bis(imidazolidin-2-ylidene)] complexes 2a-b was evaluated in the direct arylation of 2-phenylpyridine with chlorobenzene derivatives. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
 
C1 [Ozdemir, Ismail; Demir, Serpil; Gurbuz, Nevin] Inonu Univ, Fac Sci & Art, Dept Chem, TR-44280 Malatya, Turkey.
 
[Cetinkaya, Bekir] Ege Univ, Fac Sci, Dept Chem, TR-35100 Bornova, Turkey.
 
[Toupet, Loic] Univ Rennes 1, Inst Phys Rennes, CNRS, UMR 6251, F-35042 Rennes, France.
 
[Bruneau, Christian; Dixneuf, Pierre H.] Univ Rennes 1, CNRS, UMR 6226, F-35042 Rennes, France.
 

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