反应详情

To 5.13 g. of 1,3-dihydro-4-methyl-2H-imidazol-2-one and 7.98 g. of anhydrous aluminum chloride in 80 ml. of nitrobenzene is added dropwise 10.60 g. of 3,4-methylenedioxybenzoyl chloride and the mixture is poured on 500 ml. of 2N-HCl and ice, washed 3 times with ethyl ether, the resulting solid is collected to give the title compound. M.p. 293°-296° C. (dec.).

1. washof 2N-HCl and ice, washed 3 times with ethyl ether
2. customthe resulting solid is collected