反应详情

38 g of the product from Example 1 are intitially introduced into 40 ml of ethanol. A mixture of 8 ml of concentrated NH3 solution in 25 ml of ethanol is added dropwise with ice cooling. The mixture is stirred for 2 hours at room temperature and the phases are then separated. The organic phase is washed with water and dried. 38.3 g of the title compound remain on concentration.

1. additionis added dropwise with ice cooling
2. customthe phases are then separated
3. washThe organic phase is washed with water
4. customdried
5. concentration38.3 g of the title compound remain on concentration