反应详情

A solution of 2 g of 2-[2-(4-methoxycarbonylmethyl-2-chlorophenoxy)-1-methylethyl]amino-1-(3-chlorophenyl)ethanol (prepared as described in Example 22) dissolved in 50 ml of methanol was saturated with gaseous ammonia in a reaction vessel, whilst ice-cooling, after which the reaction vessel was tightly stoppered and allowed to stand at room temperature for one week. At the end of this time, the solvent (methanol) was removed by distillation under reduced pressure, and the residue was recrystallized from ethyl acetate, to give 0.55 g of the title compound as crystals, melting at 99°-101° C.

1. temperaturecooling
2. waitto stand at room temperature for one week
3. customAt the end of this time, the solvent (methanol) was removed by distillation under reduced pressure
4. customthe residue was recrystallized from ethyl acetate