4-(1H-indol-7-yl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                                                                               氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以to afford 4-(1H-indol-7-yl)-piperidine-1-carboxylic acid tert-butyl ester (22) as a clear oil (78 mg)的产率得到4-(1H-indol-7-yl)-piperidine-1-carboxylic acid tert-butyl ester