反应详情

温度

55 °C

To a solution of 4-azido-N-ethyl-3-hydroxybenzamide (3.44 g) obtained in Example 133b) in DMF (50 ml) were added benzyl bromide (2.4 ml) and potassium carbonate (2.76 g), and the reaction mixture was stirred at 55° C. for 3.5 hr. The reaction mixture was allowed to cool to room temperature, water was added and the resulting precipitate was collected by filtration and washed with water to give the title compound as a brown powder (4.81 g, 97%).

1. temperatureto cool to room temperature
2. filtrationthe resulting precipitate was collected by filtration
3. washwashed with water