反应详情

38 g of the product from Example 1 are initially 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. Melting point: 113°-114° C.

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