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REFERENCE EXAMPLE 56 Preparation of 2-aminomethyl-4-(4-fluorobenzyl)morpholine A solution of <strong>[112913-94-7]2-acetylaminomethyl-4-(4-fluorobenzyl)morpholine</strong> (3.0 g) in 10% hydrochloric acid (50 ml) is refluxed with stirring for 4 hours. The reaction mixture is adjusted to pH 11 with aqueous sodium hydroxide solution and extracted with chloroform. The organic layer is washed successively with water and saturated aqueous sodium chloride solution, and dried over magnesium sulfate. Removal of the solvent under reduced pressure gives the title compound as an oil.
With potassium iodide; potassium carbonate; In butanone;
REFERENCE EXAMPLE 6 Preparation of 2-acetylaminomethyl-4-(4-fluorobenzyl)morpholine A mixture of 2-acetylaminomethylmorpholine (7.0 g), 4-fluorobenzyl chloride (12 g), potassium carbonate (56 g), potassium iodide (1 g), and methyl ethyl ketone (100 ml) is refluxed with stirring for 17 hours. The reaction mixture is filtered and the filtrate is concentrated under reduced pressure. The residue is diluted with water and extracted with chloroform. The organic layer is separated, washed successively with water and saturated aqueous sodium chloride solution, and dried over magnesium sulfate. The solvent is distilled off under reduced pressure, and the residue is recrystallized from toluene to give the title compound (9.3 g), mp 120-122 C.
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