1-(3-iodophenyl)-N-trimethylsilylmethanimine   、                                                                                      Lithium; (Z)-2-(tert-butyl-dimethyl-silanyloxy)-1-{(1S,2R,4R)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yloxy}-ethenolate                                                                                                                                                                                              以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以77%的产率得到(3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-(3-iodo-phenyl)-azetidin-2-one