(2R,3R,4R,5R)-4-(acetoxy)-2-(6-chloro-9H-purin-9-yl)-5-(prop-2-ynyl)tetrahydrofuran-3-yl acetate 、
4-氨基四氢吡喃盐酸盐 在
N,N-二异丙基乙胺 作用下,
以
异丙醇 为溶剂,
反应 2.5h,
以36%的产率得到(2R,3R,4R,5R)-4-(acetoxy)-2-{6-[tetrahydro-2H-pyran-4-ylamino]-9H-purin-9-yl}-5-(prop-2-ynyl)tetrahydrofuran-3-yl acetate