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Facet-Dependent Catalytic Activity of Palladium Nanocrystals in Tsuji-Trost Allylic Amination Reactions with Product Selectivity
, S. Rej, S.-Y. Liu, M.H. Huang
Published in Wiley Blackwell
2015
Volume: 7
   
Issue: 12
Pages: 1813 - 1817
Abstract
Pd nanocubes, cuboctahedra, and octahedra with good size control were used to catalyze C-N bond formation in the Tsuji-Trost allylic amination reaction of aniline. Nanocubes gave either monoallylaniline or diallylaniline depending on the amount of allyl bromide used, but the octahedra and cuboctahedra only gave mixtures of monoallylaniline and diallylaniline under the same reaction conditions. The Pd nanocubes were stable over multiple cycles of the reaction. The cubes and octahedra were demonstrated to catalyze the amination reaction by using a wide variety of substituted anilines, but the cubes were the best catalyst with consistently the highest efficiency, product yield, and product selectivity. This work demonstrates that the use of metal nanocrystals with proper facet control is important for catalyzing coupling reactions with product selectivity. Getting into shapes: Pd nanocubes, cuboctahedra, and octahedra with good size control are used to catalyze C-N bond formation in the Tsuji-Trost allylic amination reaction of aniline. The Pd nanocube catalyst gives good product selectivity, whereas the Pd octahedra and cuboctahedra catalysts yield mixtures of products under the same reaction conditions. Furthermore, Pd nanocubes are stable over multiple reaction cycles. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
About the journal
JournalData powered by TypesetChemCatChem
PublisherData powered by TypesetWiley Blackwell
ISSN18673880