Hydrogenation of CO2 by a Bifunctional PC(sp3)P Iridium(III) Pincer Complex Equipped with Tertiary Amine as a Functional Group

被引：3

作者：

Gelman-Tropp, Stanislav ^{[1
]}

Kirillov, Evgueni ^{[2
]}

Hey-Hawkins, Evamarie ^{[3
]}

Gelman, Dmitri ^{[1
]}

机构：

[1] Hebrew Univ Jerusalem, Inst Chem, Edmond Safra Campus, IL-91904 Jerusalem, Israel

[2] Univ Rennes, Inst Sci Chim Rennes ISCR, CNRS, UMR 6226, F-35042 Rennes, France

[3] Univ Leipzig, Inst Inorgan Chem, Fac Chem & Mineral, Johannisallee 29, D-04103 Leipzig, Germany

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2023年 / 29卷 / 63期

基金：

以色列科学基金会;

关键词：

CO2; formic acid; hydrogenation; ligand-metal cooperation; pincer complexes; RUTHENIUM-CATALYZED HYDROGENATION; CARBON-DIOXIDE HYDROGENATION; FORMIC-ACID; HOMOGENEOUS HYDROGENATION; COORDINATION VERSATILITY; REVERSIBLE HYDROGENATION; METHANOL; REDUCTION; CHEMISTRY; LIGANDS;

D O I：

10.1002/chem.202301915

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 6x10(4) and TOF up to 1.7x104 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.

引用

页数：8

共 31 条

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