Diverse outcomes of CO2 fixation using alkali metal amides including formation of a heterobimetallic lithium–sodium carbamato-anhydride via lithium–sodium bis-hexamethyldisilazide

Richard M. Gauld; Alan R. Kennedy; Ross McLellan; Jim Barker; Jacqueline Reid; Robert E. Mulvey

doi:10.1039/C8CC08308H

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Diverse outcomes of CO₂ fixation using alkali metal amides including formation of a heterobimetallic lithium–sodium carbamato-anhydride via lithium–sodium bis-hexamethyldisilazide†

Richard M. Gauld,^a Alan R. Kennedy,

^a Ross McLellan,

^a Jim Barker,^b Jacqueline Reid^b and Robert E. Mulvey

*^a

Author affiliations

* Corresponding authors

^a WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, UK
E-mail: r.e.mulvey@strath.ac.uk

^b Innospec Ltd, Innospec Manufacturing Park, Oil Sites Road, Ellesmere Port, Cheshire, UK

Abstract

Fixation of CO₂ by lithium amides derived from pyrrole and diisopropylamine generates a lithium carbamate polymer and dodecamer respectively. Moving to lithium–sodium hexamethyldisilazide produces a more complicated, intriguing reaction, where unusually the bimetallic composition is maintained in the product but its composition contains both carbamato and anhydride functionalities.

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Article information

DOI: https://doi.org/10.1039/C8CC08308H
Article type: Communication
Submitted: 17 Oct 2018
Accepted: 22 Dec 2018
First published: 15 Jan 2019
This article is Open Access

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Chem. Commun., 2019,55, 1478-1481

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Diverse outcomes of CO₂ fixation using alkali metal amides including formation of a heterobimetallic lithium–sodium carbamato-anhydride via lithium–sodium bis-hexamethyldisilazide

R. M. Gauld, A. R. Kennedy, R. McLellan, J. Barker, J. Reid and R. E. Mulvey, Chem. Commun., 2019, 55, 1478 DOI: 10.1039/C8CC08308H

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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