CO2 hydrogenation by phosphorus–nitrogen PN3P-pincer iridium hydride complexes: elucidation of the deactivation pathway

Yupeng Pan; Chao Guan; Huaifeng Li; Priyanka Chakraborty; Chunhui Zhou; Kuo-Wei Huang

doi:10.1039/C9DT01319A

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CO₂ hydrogenation by phosphorus–nitrogen PN³P-pincer iridium hydride complexes: elucidation of the deactivation pathway†

Yupeng Pan,^ab Chao Guan,^a Huaifeng Li,^a Priyanka Chakraborty,^a Chunhui Zhou^a and Kuo-Wei Huang

*^a

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* Corresponding authors

^a KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
E-mail: hkw@kaust.edu.sa

^b Shenzhen Grubbs Institute, Southern University of Science and Technology (SUSTech), Shenzhen, P. R. China

Abstract

PN³P–Ir pincer hydride complexes were synthesized and characterized as catalysts and key intermediates in the direct hydrogenation of CO₂ to formate under mild conditions. The formation of a dearomatized PN³P*–Ir(I)–CO species was identified as a plausible key process accountable for the loss of catalytic activity in the CO₂ hydrogenation.

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Article information

DOI: https://doi.org/10.1039/C9DT01319A
Article type: Communication
Submitted: 28 Mar 2019
Accepted: 23 Jul 2019
First published: 24 Jul 2019
This article is Open Access

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Dalton Trans., 2019,48, 12812-12816

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CO₂ hydrogenation by phosphorus–nitrogen PN³P-pincer iridium hydride complexes: elucidation of the deactivation pathway

Y. Pan, C. Guan, H. Li, P. Chakraborty, C. Zhou and K. Huang, Dalton Trans., 2019, 48, 12812 DOI: 10.1039/C9DT01319A

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