反应详情

17 g of (XIV) in 100 ml of CH3CN were added to a solution of 16.4 g of CH3Br in 200 ml of CH3CN. After 14 hours at room temperature, the mixture was concentrated. The crystalline residue was triturated with ether, filtered off under suction and dried under reduced pressure. Yield: 15 g; melting point: 178° C. (compound No. 78).

1. concentrationthe mixture was concentrated
2. customThe crystalline residue was triturated with ether
3. filtrationfiltered off under suction
4. customdried under reduced pressure