反应详情

The procedure for Intermediate 8 was followed using OsO4 (15 mg, 0.058 mmol), 1-[(4-fluorophenyl)sulfonyl]-4-vinyl-1H-indole (347 mg, 1.15 mmol; Intermediate 12), 2,6-lutidine (268 μL, 2.3 mmol), dioxane (15 mL), sodium periodate (0.984 g, 4.6 mmol) and water (5 mL). The title compound (360 mg, 103%, still some dioxane according to HNMR) was obtained as a black sticky oil. MS (ESI+) for C15H10FNO3S m/z 304 (M+H)+.