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Stabilization of bis(chlorogermyliumylidene)s within bifunctional PNNP ligand frameworks and their reactivity studies

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Abstract

The diiminodiphosphine (Lim) and diaminodiphosphines (L-NH and L-NMe) with a bifunctional PNNP ligand framework have been employed to host two [GeCl]+ units leading to the formation of bis(chlorogermyliumylidene) 1–3, respectively. The synthetic route involves a 1 : 2 stoichiometric reaction between the PNNP ligand and GeCl2·dioxane and the subsequent addition of two equivalents of chloride abstracting agent. Compound 1 is unstable towards coordinating solvents and Lewis bases, resulting in the displacement of the GeCl unit and the formation of rearranged products 4 and 5. However, the diaminodiphosphine coordinated Ge(II) bis(monocation)s 2 and 3 proved to be stable and revealed their electrophilic behaviour towards the Lewis bases studied.

Graphical abstract: Stabilization of bis(chlorogermyliumylidene)s within bifunctional PNNP ligand frameworks and their reactivity studies

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Publication details

The article was received on 09 Jan 2019, accepted on 07 Mar 2019 and first published on 08 Mar 2019


Article type: Paper
DOI: 10.1039/C9DT00109C
Citation: Dalton Trans., 2019, Advance Article

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    Stabilization of bis(chlorogermyliumylidene)s within bifunctional PNNP ligand frameworks and their reactivity studies

    P. Sahoo, R. K. Raut, D. Maurya, V. Kumar, P. Rani, R. G. Gonnade and M. Majumdar, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT00109C

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