(2S,2aR)-2a-Methylsulfanyl-2-((3R,4S)-2-oxo-3-phenoxy-4-phenyl-azetidin-1-yl)-2,2a,9,10-tetrahydro-10a-aza-cyclobuta[a]phenanthren-1-one                                                                                                                                                              在
                                                                                                                                         
镍                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
丙酮                                                                                  为溶剂,
                                                                                                                                                    反应 1.5h,
                                                                                                                以50%的产率得到(2S,2aR)-2-((3S,4R)-2-Oxo-3-phenoxy-4-phenyl-azetidin-1-yl)-2,2a,9,10-tetrahydro-10a-aza-cyclobuta[a]phenanthren-1-one