3-[2-(5-nitro-furan-2-yl)-vinyl]-[1,2,4]oxadiazole-5-carboxylic acid ethyl ester 、
二乙胺 在
甲醇 作用下,
反应 0.5h,
以gave trans-5-diethylcarbamoyl-3-(5-nitrofur-2-ylvinyl)1,2,4-oxadiazole (208 mg., 57%), m.p. 118°-119°, λmax的产率得到3-[2-(5-nitro-furan-2-yl)-vinyl]-[1,2,4]oxadiazole-5-carboxylic acid diethylamide