(S)-4-[(S)-1-(tert-butyl-diphenyl-silanyloxymethyl)-3-piperidin-1-yl-propyl]-2-methyl-3-oxo-piperazine-1-carboxylic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 17.0h,
                                                                                                                以92%的产率得到(S)-4-((S)-1-hydroxymethyl-3-piperidin-1-yl-propyl)-2-methyl-3-oxo-piperazine-1-carboxylic acid tert-butyl ester