Direct electrochemical synthesis of cobalt(II) complexes of tosylamides: crystal structures of [CoL2py2], [CoL2DMF2], [CoL2bipy] and [CoL2phen], L=[(4-methylphenyl)sulfonyl]-2-pyridylamide

Add time:07/17/2019    Source:sciencedirect.com

Several complexes with tosylamides were synthesised by the electrochemical oxidation of cobalt in an acetonitrile solution of [(4-methylphenyl)sulfonyl]-imino-1H-pyridine (HL) and the appropriate neutral coligand: L′ (pyridine, 2,2′-bipyridine, 1,10-phenanthroline or N,N-dimethylformamide). The structures of bis-(N,N-dimethylformamide)bis{[(4-methylphenyl)sulfonyl]-2-pyridyl-amide}cobalt(II), bis-(pyridine)bis{[(4-methylphenyl)sulfonyl]-2-pyridyl-amide}cobalt(II), 2,2′-bipyridine bis{[(4-methylphenyl)sulfonyl]-2-pyridyl-amide}cobalt(II) and 1,10-phenanthroline bis{[(4-methylphenyl)sulfonyl]-2-pyridyl-amide}cobalt(II) were determined by X-ray diffraction methods. In these monomeric complexes, the cobalt atom is in a distorted octahedral environment. The vibrational and electronic spectra of the complexes are discussed and are shown to agree with the structures.

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