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Synlett 2017; 28(06): 705-706
DOI: 10.1055/s-0036-1588391
DOI: 10.1055/s-0036-1588391
letter
Improved Synthesis of Pinacol Dimethyl Ether – A Superior Solvent for Lithium–Oxygen Batteries
Further Information
Publication History
Received: 31 October 2016
Accepted after revision: 13 December 2016
Publication Date:
10 January 2017 (online)
Abstract
Pinacol dimethyl ether (2,3-dimethoxy-2,3-dimethylbutane) was reported to be a superior solvent for lithium-oxygen batteries because of lacking α-H-atoms, thus, shutting down the major decomposition pathway in such devices. An improved Williamson ether synthesis of this solvent is reported starting from pinacol and methyl iodide. Crucial for the success of this double alkylation reaction was the choice of methyl lithium as the base.
Supporting Information
- Supporting information for this article is available online at http://dx.doi.org/10.1055/s-0036-1588391. Copies of GLC and NMR spectra are included.
- Supporting Information