乙酸酐 、 Acetic acid [(E)-3-(4-dimethylamino-phenyl)-prop-2-en-(E)-ylidene-hydrazinocarbonyl]-diphenyl-methyl ester 反应 1.0h,
以63%的产率得到Acetic acid {4-acetyl-5-[(E)-2-(4-dimethylamino-phenyl)-vinyl]-4,5-dihydro-[1,3,4]oxadiazol-2-yl}-diphenyl-methyl ester