Mononuclear carbonyl manganese(I) and molybdenym(II) complexes with chelating biimidazole,bibenzimidazole or tetramethylbiimidazole ligands |
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| Affiliation: | 1. Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, Lavrentieva St. 3, Novosibirsk, Russia;2. Novosibirsk State University, 630090, Pirogova St.2, Novosibirsk, Russia;3. National Research Tomsk Polytechnic University, 30 Lenina St., 634050, Tomsk, Russia;4. Kazan Federal University, Alexander Butlerov Institute of Chemistry, Lobachevskogo St. 1/29, 420008, Kazan, Russia;1. Robinson Research Institute, Victoria University of Wellington, PO Box 33436, Lower Hutt 5046, New Zealand;2. MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington 6140, New Zealand;3. Institute of Fundamental Sciences, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand;1. Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, 3 Lavrentiev Av., Novosibirsk, Russia;2. Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia;3. Kazan Federal University, Alexander Butlerov Institute of Chemistry, Lobachevskogo St. 1/29, 420008 Kazan, Russia |
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| Abstract: | The preparations and properties are described of novel anionic and neutral mononuclear biimidazolate (biim), bibenzimidazolate (bibzim), or tetramethylbiimidazolate (tmbiim) manganese(I) and molybdenum(II) complexes of the type [Et4N][Mn(CO)2L2(bibzim)] (L = P(OEt)3); [Et4N][Mo(η5-C5H5)(CO)2-(N)2] ((N)22− = biim2−, bibzim2− tmbiim2−); [Mn(CO)4−nLn{H(N)2}] (n = 1; H(N)2− Hbibzim−; L = P(OMe)3, PEt3), (n = 2; H(N)2− = Hbiim−, Hbibzim−; L = P(OPh)3, P(OMe)3, P(OEt)3, P(OiPr)3; [Mo(η5-C5H5)(CO)2{H(N)2}] (H(NN)2− = Hbiim−, Hbibzim−, Htmbiim−, in which the heterocyclic anions act as bidentate chelate groups. Treatment of the anionic complexes with MeI gives neutral derivatives of general formula [Mn(CO)2L2(Mebibzim)] (L = P(OMe)3, P(OEt)3) and [Mo(η5-C5H5)(CO)2{Me(N)2}] (Me(N)2− = Me-biim−, Mebibzim−, Metmbiim−. Cationic manganese(I) complexes of the type [Mn(CO)4−nLn{H2(N)2}][ClO4 (n = 1; H2 (N)2 = H2bibzim; L = P(Ome)3, PEt3), (n = 2; H2(N)2 = H2biim, H2bibzim; L = P(OPh)3, P(OMe)3, P(OEt)3, P(OiPr)3) have also been obtained by treating the corresponding neutral complexes with HClO4. The structures of the complexes have been elucidated by molecular weight determinations, conductance data, and IR spectroscopy. |
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