1-<(allyloxy)carbonyl>tetrazole 、
5'-O-(4,4'-dimethoxytrityl)-2'-O-(tert-butyldimethylsilyl)-2'-deoxyadenosine 以
四氢呋喃 为溶剂,
反应 3.0h,
生成 {9-[(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-furan-2-yl]-9H-purin-6-yl}-carbamic acid allyl ester