Metal-stabilised diynyl radicals: structure and reactivity of [Mo(CC–CCSiMe3)L2(η-C7H7)]˙+ (L2 = 2,2′-bipyridine or dppe)

Neil J. Brown; David Collison; Ruth Edge; Emma C. Fitzgerald; Paul J. Low; Madeleine Helliwell; Yien T. Ta; Mark W. Whiteley

doi:10.1039/B924759A

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Metal-stabilised diynyl radicals: structure and reactivity of [Mo(CC–CCSiMe₃)L₂(η-C₇H₇)]˙⁺ (L₂ = 2,2′-bipyridine or dppe)†

Neil J. Brown,^a David Collison,*^b Ruth Edge,^b Emma C. Fitzgerald,^b Paul J. Low,*^a Madeleine Helliwell,^b Yien T. Ta^b and Mark W. Whiteley*^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Durham, South Road, Durham, UK
E-mail: p.j.low@durham.ac.uk

^b School of Chemistry, University of Manchester, Manchester, UK
E-mail: David.Collison@manchester.ac.uk, Mark.Whiteley@manchester.ac.uk

Abstract

The unprecedented spectroscopic and structural characterisation of a series of 17-electron, monometallic diynyl radicals, [Mo(C [triple bond, length as m-dash] C–CCR)L₂(η-C₇H₇)]˙⁺ (L₂ = bipy, R = SiMe₃; L₂ = dppe, R = SiMe₃ or H), are reported; the (L₂ = dppe, R = SiMe₃) derivative is reactive to chain-centred C_β–C_β′ dimerisation.

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Article information

DOI: https://doi.org/10.1039/B924759A
Article type: Communication
Submitted: 24 Nov 2009
Accepted: 07 Jan 2010
First published: 19 Jan 2010

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Chem. Commun., 2010,46, 2253-2255

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Metal-stabilised diynyl radicals: structure and reactivity of [Mo(CC–CCSiMe₃)L₂(η-C₇H₇)]˙⁺ (L₂ = 2,2′-bipyridine or dppe)

N. J. Brown, D. Collison, R. Edge, E. C. Fitzgerald, P. J. Low, M. Helliwell, Y. T. Ta and M. W. Whiteley, Chem. Commun., 2010, 46, 2253 DOI: 10.1039/B924759A

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