5-[1-(4-Hydroxy-phenyl)-meth-(E)-ylidene]-3-[(E)-3-(4-nitro-phenyl)-acryloyl]-2-phenyl-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4-{6-[5-(4-Nitro-phenyl)-4,5-dihydro-isoxazol-3-yl]-5-phenyl-3a,6-dihydro-3H-imidazo[4,5-c]isoxazol-3-yl}-phenol