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An iron germylene complex having Fe–H and Ge–H bonds: synthesis, structure and reactivity

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Abstract

A base-free iron germylene complex Cp*(CO)(H)Fe[double bond, length as m-dash]GeH{C(SiMe3)3} (1) was synthesised by abstraction of pyridine from a germyl complex Cp*(CO)(py)FeGeH2{C(SiMe3)3} (2), which was prepared by treatment of Cp*Fe(CO)(py)(Me) with H3GeC(SiMe3)3. X-ray crystallographic analysis revealed that 1 has an Fe–Ge bond that is the shortest among those ever reported. Reactivity of 1 toward several polar unsaturated organic compounds was investigated. Complex 1 underwent stoichiometric hydrogermylation of carbonyl compounds such as ketones, aldehydes and isocyanates (RNCO) at room temperature. In contrast, the reactions of 1 with isothiocyanates (RNCS) resulted in clean cleavage of the C[double bond, length as m-dash]S double bonds.

Graphical abstract: An iron germylene complex having Fe–H and Ge–H bonds: synthesis, structure and reactivity

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Publication details

The article was received on 31 Mar 2017, accepted on 22 May 2017 and first published on 23 May 2017


Article type: Paper
DOI: 10.1039/C7DT01159H
Citation: Dalton Trans., 2017, Advance Article
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    An iron germylene complex having Fe–H and Ge–H bonds: synthesis, structure and reactivity

    T. P. Dhungana, H. Hashimoto and H. Tobita, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT01159H

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