Issue 34, 2020
From the journal:

Chemical Communications

N–H cleavage vs. Werner complex formation: reactivity of cationic group 14 tetrelenes towards amines†

Dinh Cao Huan Do, ORCID logo a   Andrey V. Protchenko,a   M. Ángeles Fuentes,a   Jamie Hicks, ORCID logo a   Petra Vasko ORCID logo a  and  Simon Aldridge ORCID logo *a  

* Corresponding authors

a Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford, UK
E-mail: simon.aldridge@chem.ox.ac.uk
Web: www.twitter.com/GroupAldridge

Abstract

β-Diketiminate ligands featuring backbone NMe2 groups have been exploited to access a series of two-coordinate cations of the type [(N-nacnac)E]+ (E = Si, Ge, Sn), whose reactivity towards N–H bonds has been investigated. While the heavier group 14 systems react via simple adduct formation, N–H oxidative addition occurs for E = Si consistent with differences in EII/EIV redox potentials. The structurally characterized Ge/Sn adducts can be viewed as models for the corresponding (transient) Si systems [(N-nacnac)Si·(NH2R)]+ (R = H, tBu) – which are potential intermediates in the formation of [(N-nacnac)Si(H)(NHR)]+via a proton-shuttling mechanism.

Graphical abstract: N–H cleavage vs. Werner complex formation: reactivity of cationic group 14 tetrelenes towards amines

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Article information

DOI
https://doi.org/10.1039/D0CC00875C
Article type
Communication
Submitted
03 Feb 2020
Accepted
16 Mar 2020
First published
16 Mar 2020

Chem. Commun., 2020,56, 4684-4687

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N–H cleavage vs. Werner complex formation: reactivity of cationic group 14 tetrelenes towards amines

D. C. H. Do, A. V. Protchenko, M. Á. Fuentes, J. Hicks, P. Vasko and S. Aldridge, Chem. Commun., 2020, 56, 4684 DOI: 10.1039/D0CC00875C

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