Binding and activation of aromatic molecules by a molybdenum pi-base.
Compounds having the form TpMo(NO)(1-methylimidazole)(eta(2)-L(pi)) (Tp = hydridotris(pyrazolyl)borate; L(pi) = cyclohexene, naphthalene, furan, thiophene, and acetone) were synthesized in 31-41% yield by the reduction of TpMo(NO)Br(2) in the presence of 1-methylimidazole and the respective pi-acidic organic ligand. The structure of the naphthalene complex was confirmed by single-crystal X-ray diffraction. Degradation studies showed the bound aromatics to have half-lives of 37-236 h in acetone solution at 20 degrees C. A tandem addition across the bound ring of the naphthalene complex yielded a free 1,2-dihydronaphthalene in 80% yield following decomplexation.
Meiere
Scott H
SH
Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904-4319.
Keane
Joseph M
JM
Gunnoe
T Brent
TB
Sabat
Michal
M
Harman
W Dean
WD
D018360:Crystallography, X-Ray; D006841:Hydrocarbons, Aromatic / Q000737:chemistry*; D008024:Ligands; D015394:Molecular Structure; D008982:Molybdenum / Q000737:chemistry*; D009942:Organometallic Compounds / Q000737:chemistry*; D010084:Oxidation-Reduction
D006841:Hydrocarbons, Aromatic; D008024:Ligands; D009942:Organometallic Compounds; D008982:Molybdenum