Catalytic Dehydrogenation of Formic Acid with Ruthenium-PNP-Pincer Complexes: Comparing N-Methylated and NH-Ligands

Anastasiya Agapova, Elisabetta Alberico, Anja Kammer, Henrik Junge, Matthias Beller

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

35 Zitate (Scopus)

Abstract

Complexes Ru(H)(Cl)(CO)(HN{CH 2 CH 2 P(iPr) 2 } 2 ) 7 and Ru(H)(Cl)(CO)(CH 3 N{CH 2 CH 2 P(iPr) 2 } 2 ) 8 were compared for the selective dehydrogenation (DH) of formic acid (FA) at different pH values. Remarkably, highest activities were observed in acidic environment (pH 4.5). Under all investigated conditions, the N-methylated complex 8 showed improved performance compared to 7. These observations can be mechanistically explained with protonation of 4H/3Me being the key step in formic acid DH for both complexes.

OriginalspracheEnglisch
Seiten (von - bis)1910-1914
Seitenumfang5
FachzeitschriftChemCatChem
Jahrgang11
Ausgabenummer7
DOIs
PublikationsstatusVeröffentlicht - 4 Apr. 2019
Extern publiziertJa

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