2-ethoxy-4'-fluoro-6-methylbiphenyl-4-carbaldehyde   、                                                                                      
Ethyl 4-methyl-1-(5-oxa-2,6-diazaspiro[3.4]oct-6-en-7-yl)piperidine-4-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
三乙酰氧基硼氢化钠                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                生成                                                 ethyl 1-(2-((2-ethoxy-4'-fluoro-6-methylbiphenyl-4-yl)methyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-en-7-yl)-4-methylpiperidine-4-carboxylate