An efficient, one-pot, three-component cyclocondensation reaction of aromatic aldehydes, aromatic ketone and urea catalyzed by 1-methyl-3-[2-(sulfooxy)ethyl]-1H-imidazol-3-ium chloride is developed to give 4,6-diarylpyrimidin-2(1H)-ones.
                                    在 1-甲基-3-[2-(磺酰氧基)乙基]-
1H-咪唑-3-鎓
氯化物催化下,开发出一种高效的、一锅式三组分芳香醛、
芳香酮和
脲的环缩合反应,从而得到 4,6-二芳基
嘧啶-2(1H)-酮。