Reversible CO Dissociation of Tricarbonyl Iodide [Fe]-Hydrogenase Models Ligating Acylmethylpyridyl Ligands

Bowen Hu,Dawei Gong,Xiangyang Chen,Dafa Chen,Xinzheng Yang,Wen Cui

doi:10.1021/acs.organomet.6b00524

Reversible CO Dissociation of Tricarbonyl Iodide [Fe]-Hydrogenase Models Ligating Acylmethylpyridyl Ligands

Bowen Hu, Dawei Gong + Show 4 more

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https://doi.org/10.1021/acs.organomet.6b00524

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Journal: Organometallics	Publication Date: Aug 23, 2016
Citations: 3	License type: cc-by-nc

Affiliation: Harbin Institute of Technology, Beijing National Laboratory for Molecular Sciences, Chinese Academy of Sciences, Institute of Chemistry, University of Chinese Academy of Sciences

#CO Dissociation #Reversible CO + Show 8 more

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Abstract

A combined experimental and computational investigation of the CO dissociation properties of three [Fe]-hydrogenase models, [(2-CH2CO-6-HOC5H3N)Fe(CO)3I] (1), [(2-CH2CO-6-MeOC5H3N)Fe(CO)3I] (2), and [(2-CH2CO-6-t-BuOC5H3N)Fe(CO)3I] (3), shows equilibria of tricarbonyl and dicarbonyl complexes in solution. In CH3CN, 1 transforms to the solvated product [(2-CH2CO-6-HOC5H3N)Fe(CO)2(CH3CN)I] (7). The reactivity of 2 with PPh3 was also explored, giving [(2-CH2CO-6-MeOC5H3N)Fe(CO)2(PPh3)I] (8) via one CO substitution by PPh3.

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