Reversible Intramolecular Alkyl C-H Bond Activation, Alcohol Dehydrogenation, and Trans-Cis Dihydride Isomerization in Ruthenium N-Heterocyclic Carbene Complexes
Burling, S., Mahon, M. F., Paine, B. M., Whittlesey, M. K. and Williams, J. M. J., 2004. Reversible Intramolecular Alkyl C-H Bond Activation, Alcohol Dehydrogenation, and Trans-Cis Dihydride Isomerization in Ruthenium N-Heterocyclic Carbene Complexes. Organometallics, 23 (20), pp. 4537-4539.
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Thermolysis of Ru(IEt2Me2)(PPh3)2(CO)H2 (1) (IEt2Me2 = 1,3-bis(ethyl)-4,5-dimethylimidazol-2-ylidene) in the presence of CH2:CHSiMe3 resulted in C-H activation of an NCH2CH2-H bond, loss of the proton, and metalation giving Ru(IEt2Me2)'(PPh3)2(CO)H2 (2). The process can be reversed by H2 and alcs. giving different isomers of the starting dihydride complex 1. The crystal structure of 1, where the IEt2Me2 ligand is trans to the hydride, is presented as well as the structure of complex 2.
|Creators||Burling, S., Mahon, M. F., Paine, B. M., Whittlesey, M. K. and Williams, J. M. J.|
|Uncontrolled Keywords||reversible intramol. alkyl c-h bond activation, carbon hydrogen bond activation cleavage diethylimidazolylidene ruthenium complex, mol structure ruthenium diethylimidazolylidene phosphine carbonyl hydride complex, thermal decomposition (prepn., crystal structure, cis-trans dihydride isomerization, activation, alc. dehydrogenation, ract (reactant or reagent) (ruthenium, isomerization cis trans ruthenium imidazolylidene dihydride carbonyl phosphine complex, prp (properties), rct (reactant), prep (preparation), molecular structure (of ruthenium diethyldimethylimidazolylidene phosphine carbonyl dihydride complexes), bond cleavage (carbon-hydrogen, prepn., dehydrogenation alc ruthenium dihydride carbene complex two dimensional nmr, crystal structure ruthenium diethylimidazolylidene phosphine carbonyl hydride complex, isomerization (cis-trans, dehydrogenation, and crystal structures of ruthenium n-heterocyclic carbene complexes), nmr spectroscopy (two-dimensional, ruthenium diethyldimethylimidazolylidene phosphine carbonyl hydride complex prepn structure thermolysis, carbene complexes role, bond (carbon-hydrogen, spn (synthetic preparation)|
|Departments||Faculty of Science > Chemistry|
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