反应详情

The product of example 32 step e) was dissolved in 1,4-dioxane (50 ml), H2O (1 ml) and concentrated HCl solution (0.5 ml) and stirred for 20 h at 40° C. The volatiles were removed under reduced-pressure and the crude product purified by preparative HPLC to afford the subtitle compound as a white solid (21 mg).

1. customThe volatiles were removed under reduced-pressure
2. customthe crude product purified by preparative HPLC