((3a'R,4'R,6'R,6a'S)-4'-(2-N,N-bis(tert-butoxycarbonyl)amino-6-chloro-9H-purin-9-yl)-6'-methyltetrahydro-3a'H-spiro[cyclohexane-1,2'-cyclopenta[d][1,3]dioxol]-6'-yl)methanol 在
甲酸 作用下,
反应 6.0h,
以56%的产率得到2-amino-9-((1R,2R,3S,4R)-2,3-dihydroxy-4-hydroxymethyl-4-methylcyclopentyl)-1H-purin-6(9H)-one