双(二异丙基氨基)(2-氰基乙氧基)膦 、
(9-{(2R,3S,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-3-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-tetrahydro-furan-2-yl}-9H-purin-6-yl)-carbamic acid 2-(4-nitro-phenyl)-ethyl ester 在
四氮唑 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以89%的产率得到(9-{(2R,3S,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-[(2-cyano-ethoxy)-diisopropylamino-phosphanyloxy]-3-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-tetrahydro-furan-2-yl}-9H-purin-6-yl)-carbamic acid 2-(4-nitro-phenyl)-ethyl ester