methyl 5-(thiophen-2-ylethynyl)-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5-(thiophen-2-ylethynyl)-1-(2,3,5-tri-hydroxy-β-D-ribofuranosyl)-1H-[1,2,4]triazole-3-carboxylic acid amide