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There are limits to how well elemental analysis can distinguish between the bromide and the triflate salt. While the results were entirely consistent with the triflate salts for 5a-d,f-i, contamination with up to ca. 10% bromide instead of triflate would still give satisfactory analyses. The exact limit is dependent on the molecular weight of the imidazolinium part
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There are limits to how well elemental analysis can distinguish between the bromide and the triflate salt. While the results were entirely consistent with the triflate salts for 5a-d,f-i, contamination with up to ca. 10% bromide instead of triflate would still give satisfactory analyses. The exact limit is dependent on the molecular weight of the imidazolinium part.
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