(S)-(-)-1-trityl-2-pyrrolidinecarboxamide 、
6-N-[(4,4'-dimethoxytrityl)]-2',3'-O-isopropylidene-8-oxoadenosine 5'-(methyl N,N-diisopropylphosphoramidite) 在
5-(3,5-dinitrophenyl)-1H-tetrazole 、
叔丁基过氧化氢 作用下,
以
乙腈 为溶剂,
生成 (2S)-N-[[(3aR,4R,6R,6aR)-4-[6-[[bis(4-methoxyphenyl)-phenylmethyl]amino]-8-oxo-7H-purin-9-yl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]methoxy-methoxyphosphoryl]-1-tritylpyrrolidine-2-carboxamide