反应详情

温度

55 °C

A mixture of 7-ethoxy-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indole-2-carboxamide (0.43 g) and Lawesson's reagent (0.28 g) in tetrahydrofuran (30 mL) was stirred at 55° C. for 2 h. The reaction mixture was concentrated to give a light yellow oil, which was crystallized from ethyl acetate-hexane to give the title compound (414 mg, 92%) as light yellow crystals. MS 392 (MH+).

1. concentrationThe reaction mixture was concentrated
2. customto give a light yellow oil, which
3. customwas crystallized from ethyl acetate-hexane