Study of the chemical mechanism for the aging of the fischer reagent
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1H and13C NMR spectroscopy were used to show that alkylation of the nitrogen atom in pyridine by dimethyl sulfate proceeds with the formation of N-methylpyridinium methyl sulfate in the Fischer reagent upon use and during storage along with other reactions already described in the literature.
KeywordsNitrogen Sulfate Spectroscopy Methyl Pyridine
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