diethyl 2-[(6-chloro-1H-indol-3-yl)methyl]-2-(4-hydroxybut-2-ynyl)propanedioate                                                                                                                                                              在
                                                                                                                                                                                 [(R)-m-xylyl-BINAP](AuBF
4)2                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 diethyl (1S,9S)-5-chloro-10-oxa-8-azatetracyclo[7.7.0.01,13.02,7]hexadeca-2(7),3,5,12-tetraene-15,15-dicarboxylate   、                                                                                             
diethyl (1R,9R)-5-chloro-10-oxa-8-azatetracyclo[7.7.0.01,13.02,7]hexadeca-2(7),3,5,12-tetraene-15,15-dicarboxylate