反应详情

1-Methyl-3-phenylurea was prepared by the dropwise addition of methylisocyanate (6 ml, 0.1 mole) over three hours to an ether solution (100 ml) containing aniline (9 ml, 0.1 mole) at 4° C. with stirring. 1-Methyl-3-phenylurea precipitated as purple crystals which were recrystallized from ethanol, m.p. 150° C.

1. custom1-Methyl-3-phenylurea precipitated as purple crystals which
2. customwere recrystallized from ethanol, m.p. 150° C.