反应详情

Preparation according to Example 1: 2,2,2-trifluoro-1-(2-fluoro-3-piperidin-4-ylphenyl)ethanone (0.70 g, 2.54 mmol), acetonitrile (30 ml), potassium carbonate (0.35 g) and 2-iodoethane (0.40 g. 2.54 mmol). Yield: 0.21 g (27%). The amine was converted to the fumaric acid salt and recrystallized from ethanol/diethyl ether: M.p. 109-110° C. MS m/z (rel. intensity, 70 eV) 303 (M+, 13), 302 (10), 289 (16), 288 (bp), 234 (7).

1. customPreparation
2. customrecrystallized from ethanol/diethyl ether