2-Phenyl-3-[(E)-(3-phenyl-acryloyl)]-5-[1-phenyl-meth-(E)-ylidene]-3,5-dihydro-imidazol-4-one 在
sodium hydroxide 、
盐酸羟胺 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以80%的产率得到3,5-diphenyl-6-(5-phenyl-4,5-dihydro-1,2-oxazol-3-yl)-3,3a-dihydroimidazo[4,5-c][1,2]oxazole