Hydrochloric Acid → 2-[[2-(3-Butoxy-phenyl)-ethyl]-(tetrahydrofuran-3-ylmethyl)amino]-N,N-dimethyl-acetamide hydrochloride

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Reaction Steps

A solution of 2-[[2-(3-hydroxy-phenyl)-ethyl]-(tetrahydrofuran-3-ylmethyl)amino]-N,N-dimethyl-acetamide (1.0 g 3.3 mmol), 1-bromobutane (0.43 ml, 4 mmol), potassium carbonate (680 mg 5 mmol), potassium iodine (50 mg, 0.3 mmol), in DMF (30 ml) was refluxed for 16 h. After filtration over celite pad, the solution was evaporated from the solvent and the crude oil obtained purified by preparative HPLC. The hydrochloride salt was prepared by adding HCl 1N in AcOEt to the free amine dissolved in ethyl ether. After filtration, 690 mg (50% yield) the title compound was obtained as a white solid of 99% purity.

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