Lithium nitride reduction of Cp2TiCl2 and CpTiCl3: The synthesis of (Cp2TiCl2), Cp2TiCl2)n,Cp2Ti(CO)2 and chlorotetratitanium and nitridohexatitanium complexes |
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| Affiliation: | 1. Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory, 119991, Moscow, Russia;2. A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991, Moscow, Russia;1. Department of Chemical Sciences, University of Naples Federico II, Naples 80126, Italy;2. Departamento de Química Orgánica, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, Avd. Camilo José Cela, 10, 13071 Ciudad Real, Spain;1. Center for Single Particle Science and Engineering, University of Southern Denmark, Odense, Denmark;2. Department of Mechanical Engineering and Material Science, Duke University, Durham, North Carolina 27708 |
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| Abstract: | Stoichiometric reactions of Cp2TiCl2 or CpTiCl3 with Li3N in various molar ratios result in reduction to (Cp2TiCl)2, (CpTiCl2)n and (CpTiCl)4 and provide useful synthetic routes. Further reduction produces hexanuclear nitrido titanium clusters, Cp8Ti6N and Cp8Ti6N3, characterised from mass spectral evidence. The nitrido clusters react with HCl to form (Cp2TiCl)2 and Cp2TiCl2. (Cp2TiCl2 is also obtained by reaction with Me3SiCl. Cp2Ti(CO)2 is formed by the reaction between Cp2TiCl2 and Li3 N in THF in the presence of CO. |
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