Synthesis of a (N,C,C) Au(III) pincer complex via Csp3–H bond activation: increasing catalyst robustness by rational catalyst design

Marte Sofie Martinsen Holmsen; Ainara Nova; Knut Hylland; David S. Wragg; Sigurd Øien-Ødegaard; Richard H. Heyn; Mats Tilset

doi:10.1039/C8CC05489D

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Synthesis of a (N,C,C) Au(iii) pincer complex via C_sp³–H bond activation: increasing catalyst robustness by rational catalyst design†

Marte Sofie Martinsen Holmsen,

^a Ainara Nova,

*^b Knut Hylland,

^a David S. Wragg,

^a Sigurd Øien-Ødegaard,

^a Richard H. Heyn

^c and Mats Tilset

*^ab

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Oslo, P. O. Box 1033 Blindern, N-0315 Oslo, Norway
E-mail: mats.tilset@kjemi.uio.no

^b Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P. O. Box 1033, Blindern, N-0315 Oslo, Norway
E-mail: ainara.nova@kjemi.uio.no

^c SINTEF Industry, P. O. Box 124, Blindern, N-0314 Oslo, Norway

Abstract

A (N,C^Ar,C^Alk) Au(III) pincer complex has been synthesized from Au(OAc)₃ (OAc = OCOCH₃) and 2-(3,5-di-tert-butylphenyl)pyridine (L₁) involving a C_sp³–H bond activation by electrophilic substitution. In agreement with DFT calculations, the resulting complex significantly improves the performance of Au(tpy)(OAc^F)₂ (tpy = 2-(p-tolyl)pyridine, OAc^F = OCOCF₃) in the catalytic trifluoroacetylation of acetylene.

This article is part of the themed collection: In celebration of Richard Andersen’s 75th birthday

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Article information

DOI: https://doi.org/10.1039/C8CC05489D
Article type: Communication
Submitted: 07 ⵢⵓⵍ 2018
Accepted: 05 ⵛⵓⵜ 2018
First published: 07 ⵛⵓⵜ 2018

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Chem. Commun., 2018,54, 11104-11107

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Synthesis of a (N,C,C) Au(III) pincer complex via C_sp³–H bond activation: increasing catalyst robustness by rational catalyst design

M. S. M. Holmsen, A. Nova, K. Hylland, D. S. Wragg, S. Øien-Ødegaard, R. H. Heyn and M. Tilset, Chem. Commun., 2018, 54, 11104 DOI: 10.1039/C8CC05489D

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