Issue 21, 2019

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

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

Supplementary files

Article information

Article type
Paper
Submitted
09 Jan 2019
Accepted
07 Mac 2019
First published
08 Mac 2019

Dalton Trans., 2019,48, 7344-7351

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, 48, 7344 DOI: 10.1039/C9DT00109C

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