N-[N-[(S)-5-(4-piperidyl)-1-carboxypentyl]-L-alanyl]-N-(indan-2-yl)glycine tert-butyl ester   、                                                                                      ethyl acetate hydrochloride   、                                                                                      
乙醚                                                                                                                                                                                              以
                                                                                         
溶剂黄146   、                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to give 0.22 g of N-[N-[(S)-1-carboxy-5-(4-piperidyl)pentyl]-L-alanyl]-N-(indan-2yl)glycine.dihydrochloride as a colorless powder的产率得到N-[N-[(S)-1-carboxy-5-(4-piperidyl)pentyl]-L-alanyl]-N-(indan-2yl)glycine.dihydrochloride