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Solvent-induced selectivity of Williamson etherification in the pursuit of amides resistant against oxidative degradation.
Abstract
This article reports two discoveries. (1) 2-Methoxyethanol induces unprecedented selectivity for etherification of 5-hydroxy-2-nitrobenzic acids without forming undesired esters. (2) Such compounds are precursors for amides showing unusual robustness against oxidative degradation, essential for molecular electrets that transfer strongly oxidizing holes at about -6.4 eV vs. vacuum.
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