4-{[2-amino-7-(2-naphthylmethyl)-6-oxo-6,7-dihydro-3H-purin-3-yl]methyl}benzonitrile 、
叠氮化钠 、
氯化铵 在
2-amino-7-(2-naphthylmethyl)-3-[4-(1H-tetraazol-5-yl)benzyl]-3,7-dihydro-6H-purin-6-one 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以2-amino-7-(2-naphthylmethyl)-3-[4-(1H-tetraazol-5-yl)benzyl]-3,7-dihydro-6H-purin-6-one (compound 27) was obtained in 45% yield as a white solid的产率得到2-amino-7-(2-naphthylmethyl)-3-[4-(1H-tetraazol-5-yl)benzyl]-3,7-dihydro-6H-purin-6-one