A highly Lewis-acidic Pd(IV) surface on Pd@SiO2 nanocatalysts for hydroalkoxylation reactions

Mijong Kim; Suyeon Lee; Kiseong Kim; Dongwoo Shin; Hyunwoo Kim; Hyunjoon Song

doi:10.1039/C4CC05112B

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A highly Lewis-acidic Pd(iv) surface on Pd@SiO₂ nanocatalysts for hydroalkoxylation reactions†

Mijong Kim,‡^a Suyeon Lee,‡^a Kiseong Kim,^a Dongwoo Shin,^a Hyunwoo Kim*^a and Hyunjoon Song*^a

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* Corresponding authors

^a Department of Chemistry, Korea Advanced Institute of Science and Technology, and Center for Nanomaterials and Chemical Reactions, Institute for Basic Science (ibs), Daejeon, Korea
E-mail: hwkim@kaist.edu, hsong@kaist.ac.kr

Abstract

The Pd(IV) species, known to be critical intermediates in homogeneous catalysis, were successfully generated on the surface of Pd nanocatalysts via oxidation with iodobenzene dichloride (PhICl₂) or N-chlorosuccinimide (NCS). In particular, the Pd@SiO₂ yolk–shell nanocatalyst activated by PhICl₂ showed high reactivity and superior stability to the other Pd-based catalysts for hydroalkoxylation reactions even at 25 °C.

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Article information

DOI: https://doi.org/10.1039/C4CC05112B
Article type: Communication
Submitted: 03 Jul 2014
Accepted: 15 Sep 2014
First published: 15 Sep 2014

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Chem. Commun., 2014,50, 14938-14941

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A highly Lewis-acidic Pd(IV) surface on Pd@SiO₂ nanocatalysts for hydroalkoxylation reactions

M. Kim, S. Lee, K. Kim, D. Shin, H. Kim and H. Song, Chem. Commun., 2014, 50, 14938 DOI: 10.1039/C4CC05112B

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