乙酸酐 、
3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide 反应 4.0h,
以68%的产率得到2-(3'-chloro-5'-phenoxybenzo[b]thiophene-2'-yl)-4-acetyl-5-(4'-hydroxy-3'-methoxyphenyl)-4,5-dihydro-1,3,4-oxadiazole