反应详情

To a solution of 0.5 g N,N'-dicycloheptyl-m-xylylenediamine in 50 ml n-hexane, was added dropwise with stirring 5 ml of a n-hexane solution containing 0.46 g 4-fluorophenyl isocyanate under ice cooling, and stirring was continued at room temperature for two hours. The solid which separated out was collected by filtration, washed with n-hexane and recrystallized from methanol, giving 0.75 g of 1,3-bis[[1-cycloheptyl-3-(p-fluorophenyl)ureido]methyl]benzene.

1. customThe solid which separated out
2. filtrationwas collected by filtration
3. washwashed with n-hexane
4. customrecrystallized from methanol