CO2 and SO2 activation by a Cr–Cr quintuple bond

Awal Noor; Sadaf Qayyum; Tobias Bauer; Stefan Schwarz; Birgit Weber; Rhett Kempe

doi:10.1039/C4CC05071A

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CO₂ and SO₂ activation by a Cr–Cr quintuple bond†

Awal Noor,^a Sadaf Qayyum,^a Tobias Bauer,^a Stefan Schwarz,^a Birgit Weber^a and Rhett Kempe*^a

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* Corresponding authors

^a Lehrstuhl Anorganische Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany
E-mail: Kempe@uni-bayreuth.de

Abstract

A quintuply bonded dichromium complex stabilized by aminopyridinato ligands activates CO₂ and SO₂ by reducing the (formal) bond order of the metal–metal bonds. Oxygen abstraction is observed during CO₂ activation. SO₂ activation proceeds via formation of a unique dithionite complex/coordination. Furthermore, N₂O activation was investigated and the formation of a tetrameric Cr–oxo complex was observed.

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Article information

DOI: https://doi.org/10.1039/C4CC05071A
Article type: Communication
Submitted: 02 Jul 2014
Accepted: 31 Aug 2014
First published: 03 Sep 2014
This article is Open Access

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Chem. Commun., 2014,50, 13127-13130

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CO₂ and SO₂ activation by a Cr–Cr quintuple bond

A. Noor, S. Qayyum, T. Bauer, S. Schwarz, B. Weber and R. Kempe, Chem. Commun., 2014, 50, 13127 DOI: 10.1039/C4CC05071A

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Chemical Communications