2-oxo-4-propyl-2H-chromene-3-carbonitrile 、
ammonium azide 在
C13H12N4O2 作用下,
以
乙醇 为溶剂,
以afforded the title product, m.p. (EtOH) 178°-181° C (Found; C, 61.03; H, 4.95; N, 22.48; C13H12N4O2 requires; C, 60.93; H, 4.72; N, 21.86%)的产率得到4-n-Propyl-3-(tetrazol-5-yl)-cumarin