prop-2-yn-1-yl 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoate 、 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
四氢呋喃 为溶剂,
以75%的产率得到ethyl 3-[2-amino-9-[(2R,4S,5R)-4-[6-[4-[[3-hydroxy-2-(hydroxymethyl)-2-methylpropanoyl]oxymethyl]triazol-1-yl]hexanoyloxy]-5-[6-[4-[[3-hydroxy-2-(hydroxymethyl)-2-methylpropanoyl]oxymethyl]triazol-1-yl]hexanoyloxymethyl]oxolan-2-yl]-6-oxo-1H-purin-8-yl]benzoate