7-[6-benzyloxy-9-(4-hydroxy-5-hydroxymethyltetrahydrofuran-2-yl)-9H-purin-2-ylamino]-6H-benzo[f][1,3]dioxolo[4',5':4,5]benzo[1,2,3-cd]indol-5-one 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以78%的产率得到lactam of 7-(deoxyguanosin-N
2-yl)-6-nitro-phenanthro-(3,4-d)-1,3-dioxolo-5-carboxylic acid