Abstract
Carbonyl-metal (M:Cr, Mo, W) derivatives of 4-substituted pyridines [4-methylpyridine (4-mp), 4-tert-butylpyridine (4-tbp) and 4-dimethylaminopyridine (4-dmap)] where the metal center is bonded to the nitrogen atom of the substituted pyridine ring are described. The organometallic complexes, M(CO)5L, were synthesized by either the direct reaction of the metal hexacarbonyls or by the thermal substitution of M(CO)5(THF) with the pyridine ligands; 4-methylpyridine (1), 4-tert-butylpyridine (2), 4-dimethylaminopyridine (3). The reported complexes were purified by column chromatography and recrystallization. The complexes were all characterized in solution by elemental analysis, MS, ir , 1H-nmr and 13C-nmr spectroscopies.
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Tuç, C., Morkan, I.A. & Özkar, S. Synthesis and Spectroscopic Characterization of Group 6 Pentacarbonyl(4-substituted pyridine)metal(0) Complexes. Transition Met Chem 32, 727–731 (2007). https://doi.org/10.1007/s11243-007-0239-x
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DOI: https://doi.org/10.1007/s11243-007-0239-x