Remarkably Robust Mono‑n‑butyl Group IV Dicyclohexylamido Complexes {(Cy)2N}3M(n‑butyl) (Cy: cyclohexyl [C6H11], M: Ti, Zr)

The syntheses of alkyl titanium and zirconium dicyclohexylamido complexes from (Cy2N)3MCl (Cy: cyclohexyl, M: Ti 1a, M: Zr 1b) are presented. Particularly the β-H-containing n-butyl derivatives (Cy2N)3M n Bu (M: Ti 3a, M: Zr 3b) become available as isolable, thermally stable complexes by reactions o...

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Bibliographic Details
Published in:Organometallics 2014-12, Vol.33 (24), p.7011-7014
Main Authors: Adler, Christian, Tomaschun, Gabriele, Schmidtmann, Marc, Beckhaus, Rüdiger
Format: Article
Language:English
Online Access:Get full text
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Summary:The syntheses of alkyl titanium and zirconium dicyclohexylamido complexes from (Cy2N)3MCl (Cy: cyclohexyl, M: Ti 1a, M: Zr 1b) are presented. Particularly the β-H-containing n-butyl derivatives (Cy2N)3M n Bu (M: Ti 3a, M: Zr 3b) become available as isolable, thermally stable complexes by reactions of 1 with n-BuLi. The solid-state structures of 3a and 3b are presented. No hints for C–H agostic interactions are found. The behavior of 3 is discussed in comparison to the corresponding methyl complexes (Cy2N)3MMe (M: Ti 2a, M: Zr 2b) in the solid state, as well as in solution.
ISSN:0276-7333
1520-6041
DOI:10.1021/om5008105