异丙醇   、                                                                                      
((S)-3-Diazo-1-methyl-2-oxo-butyl)-carbamic acid 9H-fluoren-9-ylmethyl ester                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (2S,3S)-3-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyric acid isopropyl ester   、                                                                                             (2R,3S)-3-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyric acid isopropyl ester