racemic (2'R,3R,4'S)-6-chloro-2'-[5-chloro-2-(4-nitro-phenoxy)-phenyl]-4'-(3-chlorophenyl)spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione                                                                                                                                                              在
                                                                                                                                         
镍                                                                                                                                                                                                                               肼                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                生成                                                 
(2'S,3S,4'R)-2'-[2-(4-amino-phenoxy)-5-chloro-phenyl]-6-chloro-4'-(3-chlorophenyl)spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione   、                                                                                             
(2'R,3R,4'S)-2'-[2-(4-amino-phenoxy)-5-chloro-phenyl]-6-chloro-4'-(3-chlorophenyl)spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione