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Azadithiolates cofactor of the iron-only hydrogenase and its PR3-monosubstituted derivatives: Synthesis, structure, electrochemistry and protonation
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2007 (English)In: Journal of Organometallic Chemistry, ISSN 0022-328X, E-ISSN 1872-8561, Vol. 692, no 24, 5501-5507 p.Article in journal (Refereed) Published
Abstract [en]

The core structure (mu-SCH2)(2)NH[Fe-2(CO)(6)](5) of Fe-only hydrogenases active site model has been synthesized by the condensation of iron carbonyl sulfides, formaldehyde and silyl protected amine. Its monosubstituted complexes (mu-SCH2)(2)NH[Fe-2(CO)(5)PR3] (R = Ph (6), Me (7)) were accordingly prepared. The coordination configurations of 5 and 6 were characterized by X-ray crystallography. Protonation of complex 7 to form the N-protonated product occurs in an acetonitrile solution upon addition of triflic acid. The redox properties of these model complexes were studied by cyclic voltammetry.

Place, publisher, year, edition, pages
2007. Vol. 692, no 24, 5501-5507 p.
Keyword [en]
azapropanedithiolate, phosphine ligand exchange, iron-only hydrogenase, metal-carbonyl derivatives, active-site, model complexes, tertiary, coordination, reduction, chemistry, evolution, cluster, ligand
URN: urn:nbn:se:kth:diva-17224DOI: 10.1016/j.jorganchem.2007.08.026ISI: 000253488400023ScopusID: 2-s2.0-35348948470OAI: diva2:335267
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Sun, Licheng
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