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Article Dans Une Revue Chemistry - A European Journal Année : 2023

Hydrogenation of CO 2 by a Bifunctional PC( sp 3 )P Iridium(III) Pincer Complex Equipped with Tertiary Amine as a Functional Group

Résumé

Abstract Reversible hydrogen storage in the form of stable and mostly harmless chemical substances such as formic acid (FA) is a cornerstone of a fossil fuels‐free economy. In the past, we have reported a primary amine‐functionalized bifunctional iridium(III)‐PC( sp 3 )P pincer complex as a mild and chemoselective catalyst for the additive‐free decomposition of neat formic acid. In this manuscript, we report on the successful application of a redesigned complex bearing tertiary amine functionality as a catalyst for mild hydrogenation of CO 2 to formic acid. The catalyst demonstrates TON up to 6×10 4 and TOF up to 1.7×10 4 h −1 . In addition to the practical value of the catalyst, experimental and computational mechanistic studies provide the rationale for the design of improved next‐generation catalysts.

Domaines

Chimie
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Licence : CC BY NC - Paternité - Pas d'utilisation commerciale
Licence : CC BY NC - Paternité - Pas d'utilisation commerciale

Dates et versions

hal-04244404 , version 1 (08-12-2023)

Licence

Paternité - Pas d'utilisation commerciale

Identifiants

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Stanislav Gelman-Tropp, Evgueni Kirillov, Evamarie Hey-Hawkins, Dmitri Gelman. Hydrogenation of CO 2 by a Bifunctional PC( sp 3 )P Iridium(III) Pincer Complex Equipped with Tertiary Amine as a Functional Group. Chemistry - A European Journal, 2023, 29 (63), pp.e202301915. ⟨10.1002/chem.202301915⟩. ⟨hal-04244404⟩
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