4-戊烯酸,3-羰基-5-苯基-,乙基酯   、                                                                                      
(E)-1-acetyl-3-benzylidene-6-chloroindolin-2-one                                                                                                                                                              在
                                                                                                                                                                                 C
15H
22N
4O
3                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                生成                                                 ethyl 1'-acetyl-6'-chloro-4-hydroxy-2'-oxo-2,6-diphenylspiro[cyclohex[3]ene-1,3'-indoline]-3-carboxylate   、                                                                                             ethyl 1'-acetyl-6'-chloro-4-hydroxy-2'-oxo-2,6-diphenylspiro[cyclohex[3]ene-1,3'-indoline]-3-carboxylate   、                                                                                             
ethyl 1'-acetyl-6'-chloro-4-hydroxy-2'-oxo-2,6-diphenylspiro[cyclohex[3]ene-1,3'-indoline]-3-carboxylate