Copper(I) Complexes Bearing Carbenes Beyond Classical N‐Heterocyclic Carbenes: Synthesis and Catalytic Activity in “Click Chemistry”

Publisher: John Wiley & Sons Inc

E-ISSN: 1615-4169|357|14‐15|3155-3161

ISSN: 1615-4150

Source: ADVANCED SYNTHESIS & CATALYSIS, Vol.357, Iss.14‐15, 2015-10, pp. : 3155-3161

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Abstract

AbstractThe synthesis and characterization of abnormal N‐heterocyclic carbene, cyclic (alkyl)(amino)carbene, and mesoionic carbene copper(I) complexes are reported. These organometallic species are obtained via a versatile and inexpensive synthetic pathway using readily available reactants, namely copper oxide and iminium salts. The catalytic activity of this series of complexes was evaluated in the [3+2] cycloaddition of alkynes with azides (CuAAC). Outstanding catalytic properties were observed for the abnormal NHC‐ and triazolylidene‐based copper(I) complexes.

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