反应详情

To a stirring 0° C. solution of [1-(4-Chloro-phenyl)-cyclobutyl]-(3-hydroxymethyl-azepan-1-yl)-methanone (0.075 g, 0.26 mmol) under N2 in toluene (2.6 mL, 0.1M) was added sodium bis(2-methoxyethoxy)aluminum hydride (65+weight % in toluene) (0.28 mL, 0.91 mmol) dropwise with stirring. When the reaction was complete by HPLC, the reaction was quenched with H2O. 10% NaOH and ethyl acetate were added, and the organic was removed, dried with Na2SO4, and concentrated. The crude reaction mixture was purified by silica gel:chromatography (90:8:2 Hexanes:methylene chloride: 2N NH3 in ethyl alcohol). A 39% yield (0.0290 g) of pure material was obtained as well as other impure fractions. 1H NMR (CDCl3, 300 MHz) 7.28-7.25 (2H, m), 7.15-7.09 (2H, m), 3.44 (1H, dd, J=10.5, 4.5 Hz), 3.27 (1H, dd, J=10.3, 5.5 Hz), 2.89 (1H, d, J=13.9 Hz), 2.83 (1H, d, J=13.9 Hz), 2.72-2.60 (1H, m), 2.50-1.10 (16H, m) ppm. 13C NMR (CDCl3, 75 MHz) 146.5, 131.22, 128.10, 127.93, 70.95, 67.49, 61.85, 59.10, 47.62, 40.59, 32.12, 31.90, 29.92, 25.41, 16.20 ppm. LRMS: 308.24.

1. customthe reaction was quenched with H2O
2. addition10% NaOH and ethyl acetate were added
3. customthe organic was removed
4. dry with materialdried with Na2SO4
5. concentrationconcentrated
6. customThe crude reaction mixture
7. customwas purified by silica gel