反应详情

温度

45 °C

To a solution of the product from example 1 step f) (0.21 g) in 1,4-dioxane (5 ml) was added water (0.1 ml) and concentrated hydrochloric acid (1 drop). The mixture heated at 45° C. for 3 hours then evaporated to dryness. Recrystallisation (acetonitrile) gave the title compound (0.110 g).

1. customthen evaporated to dryness
2. customRecrystallisation (acetonitrile)