Factors influencing the formation of polybromide monoanions in solutions of ionic liquid bromide salts?
Physical Chemistry Chemical Physics Pub Date: 2016-02-02 DOI: 10.1039/C5CP06913K
Abstract
Six different bromide salts – tetraethylammonium bromide ([N2,2,2,2]Br, 1Br), 1-ethyl-1-methylpiperidinium bromide ([C2MPip]Br, 2Br), 1-ethyl-1-methylpyrrolidinium bromide ([C2MPyrr]Br, 3Br), 1-ethyl-3-methylimidazolium bromide ([C2MIm]Br, 4Br), 1-ethylpyridinium bromide ([C2Py]Br, 5Br), and 1-(2-hydroxyethyl)pyridinium bromide ([C2OHPy]Br, 6Br) – were studied in regards to their capacity to form polybromide monoanion products on addition of molecular bromine in acetonitrile solutions. Using complementary spectroscopic and computational methods for the examination of tribromide and pentabromide anion formation, key factors influencing polybromide sequestration were identified. Here, we present criteria for the targeted synthesis of highly efficient bromine sequestration agents.
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Journal Name：Physical Chemistry Chemical Physics
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CAS no.: 89640-58-4
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