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Issue 36, 2017
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Nickel-catalysed direct C2-arylation of N-heterocyclic carbenes

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Abstract

A highly efficient nickel catalysed method for the direct C2-arylation of N-heterocyclic carbenes (NHCs) is reported. This protocol enables a facile access to C2-arylated imidazolium salts (NHC–Ar)X (X = Cl, Br, I or OTf). Experimental and theoretical studies suggest the viability of a Ni(I)/Ni(II) catalytic pathway in which the dinuclear Ni(I) species [(NHC)NiX]2 plays a key role.

Graphical abstract: Nickel-catalysed direct C2-arylation of N-heterocyclic carbenes

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Article information


Submitted
21 Aug 2017
Accepted
21 Aug 2017
First published
23 Aug 2017

Dalton Trans., 2017,46, 12027-12031
Article type
Communication

Nickel-catalysed direct C2-arylation of N-heterocyclic carbenes

N. K. T. Ho, B. Neumann, H. Stammler, V. H. Menezes da Silva, D. G. Watanabe, A. A. C. Braga and R. S. Ghadwal, Dalton Trans., 2017, 46, 12027
DOI: 10.1039/C7DT03099A

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