Synthesis and spectroscopic characterization of group 6 pentacarbonyl(4-substituted pyridine)metal(0) complexes

Date

2007-09-01

Author

Tuc, Cigdem
Morkan, Izzet Amour
Özkar, Saim

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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)(5)L, 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 ,(1) H-nmr and (13) stopC-nmr spectroscopies.

Subject Keywords

M(CO)5L Complexes, Isomerization, Pyridine, Spectra, Quantenausbeute, Photolysis, Emission, BEI, MO, CR

URI

https://hdl.handle.net/11511/62749

Collections

Department of Chemistry, Article