(4-{1-[2-(4-Amino-3-iodo-phenyl)-ethyl]-2,6-dioxo-3-propyl-2,3,6,9-tetrahydro-1H-purin-8-yl}-phenoxy)-acetic acid 在
sodium azide 、
溶剂黄146 、 sodium nitrite 作用下,
以56%的产率得到(4-{1-[2-(4-Azido-3-iodo-phenyl)-ethyl]-2,6-dioxo-3-propyl-2,3,6,9-tetrahydro-1H-purin-8-yl}-phenoxy)-acetic acid