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자연과학대학
화학·나노과학전공
Journal papers
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Ligand effects in rhodium complexes for chemical NADH regeneration
Title
Ligand effects in rhodium complexes for chemical NADH regeneration
Authors
Fard P.T.
;
Kim K.
;
Lee S.
;
Kim J.
Ewha Authors
김진흥
SCOPUS Author ID
김진흥
Issue Date
2022
Journal Title
Bulletin of the Korean Chemical Society
ISSN
0253-2964
Citation
Bulletin of the Korean Chemical Society vol. 43, no. 4, pp. 554 - 558
Keywords
cofactor regeneration
;
formate
;
kinetic isotope effect
;
ligand effect
;
rhodium complex
Publisher
John Wiley and Sons Inc
Indexed
SCIE; SCOPUS; KCI
Document Type
Article
Abstract
Various (pentamethylcyclopentadienyl)-rhodium(III) complexes comprising aromatic bidentate ligands [(Cp*)Rh(L)Cl]+ (Cp* = pentamethylcyclopentadienyl, L = 2,2′-bipyridine, 1,10-phenanthroline, and their derivatives) were prepared to compare their reactivities of chemical cofactor regeneration. When the catalytic NADH regeneration was performed with sodium formate−, the reaction rates were compared with six Rh(III) complexes. The kinetics of the reactions including kinetic isotope effects are also studied in the chemical NADH regeneration. The Rh(III) complexes react with formate efficiently to afford the intermediates [(Cp*)Rh(L)(H)]+ and CO2. The electronic and steric effects of the ligands of the Rh complexes were observed on the reaction rates. The overall reaction rates of the NADH regeneration were also obtained using DCOO− in H2O. Such H/D exchange rates of [(Cp*)Rh(L)(H)]+ and the observation of a deuterium kinetic isotope provide valuable mechanistic insight into the catalytic NADH regeneration. © 2022 Korean Chemical Society, Seoul & Wiley-VCH GmbH.
DOI
10.1002/bkcs.12489
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