Cationic indium complexes halve H2 partial pressure in CO2 reductive coupling reactions with amines

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F25%3A10503577" target="_blank" >RIV/00216208:11310/25:10503577 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=fjZfIlN0es" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=fjZfIlN0es</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jcat.2025.116445" target="_blank" >10.1016/j.jcat.2025.116445</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Cationic indium complexes halve H2 partial pressure in CO2 reductive coupling reactions with amines

Popis výsledku v původním jazyce

Indium-catalysed homogeneous hydrogenations are limited to imine hydrogenation due to the low thermal and hydrolytic stability of In(C6F5)(3), the only indium Lewis acid used thus far for hydrogenation chemistry. In this study, we present [In(terpy)Cl(2)](+) cations as Lewis acid catalysts. With an optimal vacant site for H2 activation and a hydride ion affinity of up to 579 kJ mol(-1), [In(terpy)Cl(2)](+) effectively catalysed CO2 reductive coupling with amines under H2 (50 bar) and CO2 (4 bar) pressure, as structurally confirmed by XRD and NMR spectroscopy. By catalysing CO2 reductive coupling with amines at half the partial pressure of all other main-group catalytic systems with H2, cationic indium complexes set a new benchmark for such reactions. Therefore, this study not only expands the scope of indium-based catalysis beyond imine hydrogenation but also highlights the potential of ligand-supported indium Lewis acids as catalytic systems for small-molecule activation.

Název v anglickém jazyce

Cationic indium complexes halve H2 partial pressure in CO2 reductive coupling reactions with amines

Popis výsledku anglicky

Indium-catalysed homogeneous hydrogenations are limited to imine hydrogenation due to the low thermal and hydrolytic stability of In(C6F5)(3), the only indium Lewis acid used thus far for hydrogenation chemistry. In this study, we present [In(terpy)Cl(2)](+) cations as Lewis acid catalysts. With an optimal vacant site for H2 activation and a hydride ion affinity of up to 579 kJ mol(-1), [In(terpy)Cl(2)](+) effectively catalysed CO2 reductive coupling with amines under H2 (50 bar) and CO2 (4 bar) pressure, as structurally confirmed by XRD and NMR spectroscopy. By catalysing CO2 reductive coupling with amines at half the partial pressure of all other main-group catalytic systems with H2, cationic indium complexes set a new benchmark for such reactions. Therefore, this study not only expands the scope of indium-based catalysis beyond imine hydrogenation but also highlights the potential of ligand-supported indium Lewis acids as catalytic systems for small-molecule activation.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

<a href="/cs/project/GM21-27431M" target="_blank" >GM21-27431M: Lewisovy kyseliny a frustrované Lewisovy páry pro redukčně kondenzační reakce oxidu uhličitého s aminy</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Catalysis

ISSN

0021-9517

e-ISSN

1090-2694

Svazek periodika

452

Číslo periodika v rámci svazku

December

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

116445

Kód UT WoS článku

001580246600002

EID výsledku v databázi Scopus

2-s2.0-105016461049