Application of Cooperative Iron/Copper Catalysis to a Palladium-Free Borylation of Aryl Bromides with Pinacolborane

A new cooperative copper/iron catalysis for the borylation of various aryl bromides with pinacolborane, at −10 °C, is reported. Use of the toxic, precious metal Pd is avoided. The mechanism of the protodebromination side reaction is discussed.

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Bibliographic Details
Published in:Organic letters 2014-05, Vol.16 (9), p.2366-2369
Main Authors: Labre, Flavien, Gimbert, Yves, Bannwarth, Pierre, Olivero, Sandra, Duñach, Elisabet, Chavant, Pierre Y.
Format: Article
Language:English
Subjects:
Catalysis
Chemical Sciences
Organic chemistry
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Summary:A new cooperative copper/iron catalysis for the borylation of various aryl bromides with pinacolborane, at −10 °C, is reported. Use of the toxic, precious metal Pd is avoided. The mechanism of the protodebromination side reaction is discussed.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol500675q