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Aminoborane σ Complexes: Significance of Hydride Co-ligands in Dynamic Processes and Dehydrogenative Borylene Formation

Addy, D.A., Bates, J.I., Kelly, M.J., Riddlestone, Ian M. and Aldridge, S. (2013) Aminoborane σ Complexes: Significance of Hydride Co-ligands in Dynamic Processes and Dehydrogenative Borylene Formation Organometallics, 32 (6). pp. 1583-1586.

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Abstract

Systems of the type [(p-cym)Ru(PR3)(H)(H2BNiPr2)]+ (R = Cy, Ph) can be synthesized from (p-cym)Ru(PR3)Cl2 and H2BNiPr2/Na[BArf4] and are best formulated as (hydrido)ruthenium κ1-aminoborane complexes. VT-NMR measurements have been used to probe the σ-bond metathesis process leading to Ru–H/H–B exchange, yielding an activation barrier of ΔG⧧ = 7.5 kcal mol–1 at 161 K. Moreover, in contrast to the case for related non-hydride-containing systems, reactivity toward alkenes constitutes a viable route to a metal borylene complex via sacrificial hydrogenation.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemistry
Authors :
NameEmailORCID
Addy, D.A.
Bates, J.I.
Kelly, M.J.
Riddlestone, Ian M.i.riddlestone@surrey.ac.uk
Aldridge, S.
Date : 25 March 2013
Funders : Engineering and Physical Sciences Research Council (EPSRC)
DOI : 10.1021/om400040q
Depositing User : Clive Harris
Date Deposited : 24 Jun 2019 12:25
Last Modified : 24 Jun 2019 12:25
URI: http://epubs.surrey.ac.uk/id/eprint/852030

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