(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