9-(3-O-benzyl-5-O-methanesulfonyl-4-C-(methanesulfonyloxymethyl)-2-O-trifluoromethanesulfonyl-β-D-erythro-pentofuranosyl)-6-N-benzoyladenine 在
lithium iodide 作用下,
以
乙腈 为溶剂,
反应 2.0h,
以90%的产率得到9-(3-O-benzyl-2-deoxy-2-iodo-5-O-methanesulfonyl-4-C-(methanesulfonyloxymethyl)-β-D-threo-pentofuranosyl)-6-N-benzoyladenine