N-[[4-[[6-amino-2-(2-methoxyethoxy)-8-oxo-7H-purin-9-yl]methyl]phenyl]methyl]pent-4-ynamide 、
Methyl 5-azido-5-deoxy-2,3-O-(1-methylethylidene)pentofuranoside 在
copper(II) sulfate 、
sodium ascorbate 作用下,
以
水 、
二甲基亚砜 为溶剂,
以77%的产率得到N-[[4-[[6-amino-2-(2-methoxyethoxy)-8-oxo-7H-purin-9-yl]methyl]phenyl]methyl]-3-[1-[(4-methoxy-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl)methyl]triazol-4-yl]propanamide