Isolation of cationic and neutral (allenylidene)(carbene) and bis(allenylidene)gold complexes

Liqun Jin; Mohand Melaimi; Arseni Kostenko; Miriam Karni; Yitzhak Apeloig; Curtis E. Moore; Arnold L. Rheingold; Guy Bertrand

doi:10.1039/C5SC03654B

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Isolation of cationic and neutral (allenylidene)(carbene) and bis(allenylidene)gold complexes†

Liqun Jin,^a Mohand Melaimi,

^a Arseni Kostenko,^b Miriam Karni,^b Yitzhak Apeloig,^b Curtis E. Moore,^a Arnold L. Rheingold^a and Guy Bertrand*^a

Author affiliations

* Corresponding authors

^a UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0358, USA
E-mail: guybertrand@ucsd.edu

^b Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa 32000, Israel

Abstract

The one-electron reduction of a cationic (allenylidene)[cyclic(alkyl) (amino)carbene]gold(I) complex leads to the corresponding neutral, paramagnetic, formally gold(0) complex. DFT calculations reveal that the spin density of this highly robust coinage metal complex is mainly located on the allenylidene fragment, with only 1.8 and 3.1% on the gold center and the CAAC ligand, respectively. In addition, the first homoleptic bis(allenylidene)gold(I) complex has been prepared and fully characterized.

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DOI: https://doi.org/10.1039/C5SC03654B
Article type: Edge Article
Submitted: 26 Sep 2015
Accepted: 14 Nov 2015
First published: 16 Nov 2015
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry

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Chem. Sci., 2016,7, 150-154

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Isolation of cationic and neutral (allenylidene)(carbene) and bis(allenylidene)gold complexes

L. Jin, M. Melaimi, A. Kostenko, M. Karni, Y. Apeloig, C. E. Moore, A. L. Rheingold and G. Bertrand, Chem. Sci., 2016, 7, 150 DOI: 10.1039/C5SC03654B

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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Chemical Science

Isolation of cationic and neutral (allenylidene)(carbene) and bis(allenylidene)gold complexes†

Abstract

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Isolation of cationic and neutral (allenylidene)(carbene) and bis(allenylidene)gold complexes

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