Neutral dinuclear copper(I)-NHC complexes : synthesis and application in the hydrosilylation of ketones
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The synthesis of a class of highly stable neutral dinuclear Cu(I)-NHC complexes using 1,2,4-triazole as a bridging ligand is described. Various NHCs were used to generate a library of [Cu(μ-trz)(NHC)]2, complexes. Interestingly, [Cu(μ-trz)(IPr)]2 was found to be highly active in the hydrosilylation of ketones, without the need for an external base or any other additive. A wide range of aryl and alkyl ketones, as well as sterically hindered ketones, was successfully reduced to alcohols using the lowest catalyst loading reported to date.
Trose , M , Lazreg , F , Chang , T , Nahra , F , Cordes , D B , Slawin , A M Z & Cazin , C S J 2017 , ' Neutral dinuclear copper(I)-NHC complexes : synthesis and application in the hydrosilylation of ketones ' ACS Catalysis , vol 7 , no. 1 , pp. 238-242 . DOI: 10.1021/acscatal.6b02723
Copyright © 2016 American Chemical Society. This work has been 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://doi.org/10.1021/acscatal.6b02723
The authors gratefully acknowledge the Royal Society (University Research Fellowship to C.S.J.C.) for funding.
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