反应详情

A solution of Example 9D (25.7 mg, 0.08 mmol) in 4M HCl in dioxane (2 mL) was stirred at room temperature for 1 hour and concentrated to provide the desired product. MS (ESI) m/e 224 (M+H)+; 1H NMR (300 MHz, DMSO-d6) δ 7.29 (m, 2H), 7.18 (m, 3H), 4.11 (d, 1H), 3.69 (m, 1H), 2.57 (m, 2H), 1.73–1.49 (m, 4H).

1. concentrationconcentrated