Diethylamine → N,N-dimethyl-4-(2-fluoro-5-bromobenzyloxy)butylamine

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Reaction Steps

Diethylamine (17.6 ml, 35.3 mmol) was added to a solution of 4-(2-fluoro-5-bromobenzyloxy)butyl bromide (1.2 g, 3.53 mmol) in tetrahydrofuran (18 ml). The resulting mixture was stirred at ambient temperature for about 18 hours. The reaction mixture was diluted with methylene chloride and washed with saturated sodium bicarbonate. The aqueous fraction was back extracted with methylene chloride. The organic fractions were combined and dried over sodium sulfate. The solvents were removed in vacuo. The desired title intermediate was further purified by high performance liquid chromatography.

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