2-氰乙基N,N-二异丙基氯亚磷酰胺 、
1-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4,6-diisobutyrylamino-3-propynyl-1H-pyrazolo[3,4-d]pyrimidine 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以64.7%的产率得到1-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4,6-diisobutyrylamino-3-propynyl-1H-pyrazolo[3,4-d]pyrimidine 3'-[(2-cyanoethyl)-N,N-diisopropyl]phosphoramidite