Efficient additive-free formic acid dehydrogenation with a NNN-ruthenium complex

被引：6

作者：

Knorr, Pascal ^{[1
]}

Lentz, Nicolas ^{[1
]}

Albrecht, Martin ^{[1
]}

机构：

[1] Univ Bern, Dept Chem Biochem & Pharmaceut Sci, Freiestr 3, CH-3012 Bern, Switzerland

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2023年 / 13卷 / 19期

基金：

瑞士国家科学基金会;

关键词：

HYDROGEN-PRODUCTION; CATALYTIC DEHYDROGENATION; STORAGE MATERIAL; IRIDIUM COMPLEX; LIGAND; DECOMPOSITION; GENERATION;

D O I：

10.1039/d3cy00512g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new ruthenium complex containing a pyridylidene amine-based NNN ligand was developed as a catalyst precursor for formic acid dehydrogenation, which, as a rare example, does not require basic additives to display high activity (TOF & SIM;10 000 h(-1)). Conveniently, the complex is air-stable, but sensitive to light. Mechanistic investigations using UV-vis and NMR spectroscopic monitoring correlated with gas evolution profiles indicate rapid and reversible protonation of the central nitrogen of the NNN ligand as key step of catalyst activation, followed by an associative step for formic acid dehydrogenation.

引用

页码：5625 / 5631

页数：7

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