ethyl 5-(bromomethyl)-1,3-diacetyl-2,3-dihydro-2-oxo-1H-imidazole-4-carboxylate 在
氢氧化钾 作用下,
以
氢溴酸 、
溶剂黄146 为溶剂,
反应 4.0h,
以to give ethyl 3-acetyl-5-(bromomethyl)-2,3-dihydro-2-oxo-1H-imidazole-4-carboxylate melting at about 193°-194° C. (dec.)的产率得到Ethyl 3-acetyl-5-(bromomethyl)-2,3-dihydro-2-oxo-1H-imidazole-4-carboxylate