反应详情

A stirred suspension of 10.70 g of N,N-dibenzylhydroxylamine in 25 ml of methanol is admixed dropwise with a solution of 4.53 ml conc. hydrochloric acid in 10 ml of water. A solution of 4.06 g of potassium cyanate in 15 ml of water is then added and the resulting suspension is stirred at room temperature for 3 hours. The crude product is removed by filtration and further purified by liquid chromatography to afford the title compound as a white solid; m.p. 127°-29° C.

1. customThe crude product is removed by filtration
2. customfurther purified by liquid chromatography