A highly efficient Ir-catalyst for the solventless dehydrogenation of formic acid: the key role of an N-heterocyclic olefin

Amaia Iturmendi; Manuel Iglesias; Julen Munarriz; Victor Polo; Vincenzo Passarelli; Jesús J. Pérez-Torrente; Luis A. Oro

doi:10.1039/C8GC02794C

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A highly efficient Ir-catalyst for the solventless dehydrogenation of formic acid: the key role of an N-heterocyclic olefin†

Amaia Iturmendi,

^a Manuel Iglesias,

*^a Julen Munarriz,

^b Victor Polo,

^b Vincenzo Passarelli,

^c Jesús J. Pérez-Torrente

^a and Luis A. Oro

*^a

Author affiliations

* Corresponding authors

^a Departamento Química Inorgánica – Instituto Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza – CSIC, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
E-mail: miglesia@unizar.es, oro@unizar.es

^b Departamento Química Física – Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain

^c Centro Universitario de la Defensa, Ctra. Huesca s/n, ES-50090 Zaragoza, Spain

Abstract

A sturdy iridium complex that features a PCP ligand based on an N-heterocyclic olefin shows remarkable activity for the solventless dehydrogenation of formic acid. Reactivity studies highlight the importance of NHO in the activity of the catalyst. A plausible intermediate has been isolated and the mechanism was substantiated by DFT calculations.

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DOI: https://doi.org/10.1039/C8GC02794C
Article type: Communication
Submitted: 03 Sep 2018
Accepted: 03 Oct 2018
First published: 03 Oct 2018

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Green Chem., 2018,20, 4875-4879

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A highly efficient Ir-catalyst for the solventless dehydrogenation of formic acid: the key role of an N-heterocyclic olefin

A. Iturmendi, M. Iglesias, J. Munarriz, V. Polo, V. Passarelli, J. J. Pérez-Torrente and L. A. Oro, Green Chem., 2018, 20, 4875 DOI: 10.1039/C8GC02794C

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Green Chemistry

A highly efficient Ir-catalyst for the solventless dehydrogenation of formic acid: the key role of an N-heterocyclic olefin†

Abstract

Supplementary files

Article information

Download Citation

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A highly efficient Ir-catalyst for the solventless dehydrogenation of formic acid: the key role of an N-heterocyclic olefin

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