methyl 2-[(2R,3R,4R,5R)-3,4-diacetyloxy-5-(acetyloxymethyl)oxolan-2-yl]-5-[2-(4-fluorophenyl)ethynyl]-1,2,4-triazole-3-carboxylate 在
氨 作用下,
以
甲醇 为溶剂,
反应 48.0h,
以80%的产率得到3-(4-fluorophenylethynyl)-1-(β-D-ribofuranosyl)-1H-[1,2,4]triazole-5-carboxylic acid amide