2-(6-methylpyridin-3-yl)thiazole-5-carbaldehyde   、                                                                                      5-amino-6-(4-fluorophenoxy)-3-[[4-hydroxy-1-[(3R,4R)-3-phenylpiperidine-4-carbonyl]-4-piperidyl]methyl]pyrimidin-4-one                                                                                                                                                              在
                                                                                                                                                                                 
三乙酰氧基硼氢化钠   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 5-amino-6-(4-fluorophenoxy)-3-({4-hydroxy-1-[(3R,4R)-1-{[2-(6-methylpyridin-3-yl)-1,3-thiazol-5-yl]methyl}-3-phenylpiperidine-4-carbonyl]piperidin-4-yl}methyl)pyrimidin-4(3H)-one