、                                                                                      
4-羟基哌啶-1-甲酸异丙酯   、                                                                                      4-chloro-6-[5-(methylthio)-2,3-dihydro-1H-indol-1-yl]pyrimidine-5-carbonitrile                                                                                                                                                                                                                                                                                                          以to yield isopropyl 4-({5-cyano-6-[5-(methylthio)-2,3-dihydro-1H-indol-1-yl]pyrimidin-4-yl}oxy)piperidine-1-carboxylate的产率得到isopropyl 4-({5-cyano-6-[5-(methylthio)-2,3-dihydro-1H-indol-1-y]pyrimidin-4-yl}oxy)piperidine-1-carboxylate