Researchers from the Indian Institute of Chemical Technology have extended the repertoire of C-C bond forming reactions catalysed by gold nanoparticles to include that of the Ullmann reaction.
The Ullmann reaction is an old favourite for synthesising biaryls – it proceeds by coupling together two aryl halides using a transition metal catalyst (traditionally copper).
The heterogeneous catalytic system employed by the authors makes use of gold nanoparticles stabilised on commercially-available nanocrystalline magnesium oxide.
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Ullmann coupling of aryl iodides catalyzed by gold nanoparticles stabilized on nanocrystalline magnesium oxide
Keya Layek, H. Maheswaran and M. Lakshmi Kantam
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