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Elsevier, Journal of Organometallic Chemistry, 4(693), p. 776-780, 2008

DOI: 10.1016/j.jorganchem.2007.11.061

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Reactivity variations within Group 4 complexes of 1,4-di-tert-butyl-1,4-diazabuta-1,3-diene: Structures of [(C5H5)TiCl{(t-BuNCH)2}] and [(C5H5)2Zr{(t-BuNCH)2}]

Journal article published in 2008 by Ac Benjamin, Asp Frey, Mg Gardiner ORCID, Cl Raston, Bw Skelton, Ah White
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Abstract

The reactions of the metallocene dichlorides [(eta5-C5H5)2MCl2],M = Ti and Zr, with the 1,4-di-tert-butyl-1,4-diazabuta-1,3-diene radical anion (lithium complex) in diethyl ether reveal a reactivity difference within the series, yielding [(C5H5)TiCl{(t-BuNCH)2}] and [(C5H5)2Zr{(t-BuNCH)2}] through the elimination of Li(C5H5) and/or LiCl, respectively. We report the X-ray crystal structures of these complexes, and discuss their reactivity patterns and solution fluxional properties.