反应详情

温度

100 °C

The compound of step 2 (169 mg, 913 mmol) was suspended in acetic anhydride (1.75 ml) and heated at 100° C. for 3 h. The solution was cooled, water (2 ml) was added, and the mixture was stirred at 60° C. for 1 h. Upon cooling, crystals formed which were filtered off and dried in vacuo to give 120 mg of the title compound.

1. temperatureThe solution was cooled
2. temperatureUpon cooling
3. customcrystals formed which
4. filtrationwere filtered off
5. customdried in vacuo