Copper(I) complexes bearing carbenes beyond classical N-heterocyclic carbenes : synthesis and catalytic activity in “click chemistry”
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The 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.
Bidal , Y D , Lesieur , M , Melaimi , M , Nahra , F , Cordes , D B , Athukorala Arachchige , K S , Slawin , A M Z , Bertrand , G & Cazin , C S J 2015 , ' Copper(I) complexes bearing carbenes beyond classical N-heterocyclic carbenes : synthesis and catalytic activity in “click chemistry” ' Advanced Synthesis & Catalysis , vol 357 , no. 14-15 , pp. 3155–3161 . DOI: 10.1002/adsc.201500453
Advanced Synthesis & Catalysis
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://dx.doi.org/10.1002/adsc.201500453
The authors gratefully acknowledge the Royal Society (University Research Fellowship to CSJC) and the DOE (DE-FG02-13ER16370) for financial support.
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