methyl 5-(1-cyclopentanolethynyl)-1-(2,3,5-tri-o-acetyl-β-D-ribofuranosyl)-1H-[1,2,4]triazole-3-carboxylate 在
氨 作用下,
以
甲醇 为溶剂,
反应 48.0h,
以85%的产率得到1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-[2-(1-hydroxycyclopentyl)ethynyl]-1,2,4-triazole-3-carboxamide