((3aR,4R,6R,6aR)-6-(6-iodo-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl sulfamate 、
环丙乙炔 在
bis-triphenylphosphine-palladium(II) chloride
copper(l) iodide 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以75%的产率得到(3aR,4R,6R,6aR)-sulfamic acid 6-(6-cyclopropylemynyl-purin-9-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl ester