(E)-ethyl 2-(1-(2,4-dichlorobenzyl)-2-oxoindolin-3-ylidene)acetate                                                                                                                                                              在
                                                                                                                                                                                 
叔丁基过氧化氢   、                                                                                                  
(S)-(+)-alpha,alpha-二苯基脯氨醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
癸烷   、                                                                                         
正己烷                                                                                  为溶剂,
                                                                                                                                                    反应 96.0h,
                                                                                                                生成                                                 
(2'S,3'R)-ethyl 1-(2,4-dichlorobenzyl)-2-oxospiro[indoline-3,2'-oxirane]-3'-carboxylate   、                                                                                             (2'S,3'S)-ethyl 1-(2,4-dichlorobenzyl)-2-oxospiro[indoline-3,2'-oxirane]-3'-carboxylate   、                                                                                             
(2'R,3'R)-ethyl 1-(2,4-dichlorobenzyl)-2-oxospiro[indoline-3,2'-oxirane]-3'-carboxylate   、                                                                                             (2'R,3'S)-ethyl 1-(2,4-dichlorobenzyl)-2-oxospiro[indoline-3,2'-oxirane]-3'-carboxylate