反应详情

温度

80 °C

Add Raney nickel to a solution of Example 1 (160 mg) in ethanol (10 ml) at RT. Heat to 80° C. and stir for 20 h, filter and concentrate. Purify the residue by column chromatography to produce the title compound. 1H NMR (CDCl3) 7.85 (d, 2H), 7.25 (m, 4H), 7.15 (t, 2H), 5.55 (s, 1H), 3.40 (dd, 4H), 3.10 (s, br, 2H), 2.05-2.35 (m, 6H), 2.75(q, 2H), 1.55 (d, 2H).

1. filtrationfilter
2. concentrationconcentrate
3. customPurify the residue by column chromatography