(2R,3S)-1-(4-Benzyloxy-benzenesulfonyl)-3-hydroxy-3-methyl-piperidine-2-carboxylic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以100%的产率得到(2R,3S)-3-Hydroxy-1-(4-hydroxy-benzenesulfonyl)-3-methyl-piperidine-2-carboxylic acid tert-butyl ester