Journal of Organometallic Chemistry p. 187 - 196 (1986)
Update date:2022-08-05
Topics:
Losilkina, V. I.
Estekhina, M. N.
Baranetskaya, N. K.
Setkina, V. N.
Photochemical substitution of CO ligands in C6H6Cr(CO)3, C5H5Mn(CO)3 and M(CO)6 (M = Cr, Mo, W) for PPh2C6H5Cr(CO)3 ligands was used to synthesize novel complexes:C6H6Cr(CO)2PPh2C6H5Cr(CO)3, C5H5Mn(CO)2PPh2C6H5Cr(CO)3 and M(CO)5PPh2C6H5Cr(CO)3.The complexes obtained have been characterized by elemental analysis, IR, 1H, 13C, 31P NMR, and mass spectra.The protonation reaction and the hydrogen isotopic exchange of arenechromium carbonyl complexes in acid media have been studied.The 13C NMR spectra of M(CO)5PPh2C6H5Cr(CO)3 show that the nature of the central metal atom influences the chemical shifts of the carbon nuclei of the carbonyl groups, shielding these atoms, increasing in the series W = Mo > Cr.
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