Benzyne addition to a metal-carbon multiple bond

The linear μ-carbido complex [Rh 2 (μ-C)Cl 2 (dppm) 2 ] (dppm = bis(diphenylphosphino)methane) reacts with a benzyne equivalent (Me 3 SiC 6 H 4 OTf-2/F − ) to afford [Rh 2 (μ-CC 6 H 4 )(μ-Cl)(C 6 H 5 )Cl 2 (μ-dppm) 2 ], in which the benzyne moiety adds across one of the two metal-carbon double bonds...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2021-07, Vol.5 (27), p.9383-9387
Main Authors: Barnett, Harrison J, Hill, Anthony F
Format: Article
Language:English
Subjects:
Carbon
Crystallography
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Summary:The linear μ-carbido complex [Rh 2 (μ-C)Cl 2 (dppm) 2 ] (dppm = bis(diphenylphosphino)methane) reacts with a benzyne equivalent (Me 3 SiC 6 H 4 OTf-2/F − ) to afford [Rh 2 (μ-CC 6 H 4 )(μ-Cl)(C 6 H 5 )Cl 2 (μ-dppm) 2 ], in which the benzyne moiety adds across one of the two metal-carbon double bonds. Benzyne (dehydrobenzene) is shown to add across the RhC multiple bond of a dirhodium carbido complex to afford a cyclometallated μ-benzylidyne complex.
ISSN:1477-9226
1477-9234
DOI:10.1039/d1dt01402a