Methyl iodide → N,N-Diethyl-2-methoxy-N-methylethan-1-aminium iodide

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Reaction Steps

Next, 41.2 g of the 2-methoxyethyldiethylamine was dissolved in 300 mL of tetrahydrofuran (Wako Pure Chemical Industries, Inc.), following which 20.0 mL of methyl iodide (Wako Pure Chemical Industries) was added under ice cooling. After 30 minutes, the ice bath was removed and stirring was carried out overnight at room temperature. The solvent in this reaction solution was driven off by vacuum distillation, and the resulting solids were recrystallized from an ethanol (Wako Pure Chemical Industries)—tetrahydrofuran mixture, yielding 80 g of 2-methoxyethyldiethylmethylammonium iodide.

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