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Evaluation of the Formate Dehydrogenase Activity of Three-Legged Pianostool Complexes in Dilute Aqueous Solution

Keller, Sascha G. and Ringenberg, Mark R. and Häussinger, Daniel and Ward, Thomas R.. (2014) Evaluation of the Formate Dehydrogenase Activity of Three-Legged Pianostool Complexes in Dilute Aqueous Solution. European Journal of Inorganic Chemistry, 2014 (34). pp. 5860-5864.

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Official URL: http://edoc.unibas.ch/dok/A6348329

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Abstract

Formic acid is an attractive means to reversibly store dihydrogen. In this context, d(6) pianostool complexes rank among the most-effective formate dehydrogenase catalysts. With biologically generated formic acid in mind, we evaluated the performances of iridium-based pianostool complexes bearing a cooperative ligand, which are known to catalyze formate decomposition. Interestingly, the phenylpyrazole-derived catalyst [Cp*Ir(phenpz)(OH2)](+) (7, Cp* = pentamethylcyclopentadienyl, phenpz = 1-phenylpyrazole) compares favourably with the very best systems [Cp*Ir(phenpzCO(2)H)H2O](+) [8, phenpzCO(2)H = 4-(pyrazol-1-yl)benzoic acid] and [Cp*Ir(imim)H2O](2+) [11, imim = 2,2'-bis(4,5-dimethylimidazole)]. These catalysts display remarkable air tolerance, recyclability and activity under dilute aqueous conditions.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Nuclear Magnetic Resonance (Häussinger)
UniBasel Contributors:Ward, Thomas R. and Häussinger, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Wiley
ISSN:1434-1948
e-ISSN:1099-0682
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:03 May 2017 07:00
Deposited On:10 Apr 2015 09:12

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