在
碳酸氢钠 作用下,
以
二氯甲烷 为溶剂,
生成
methyl (3'R,5'S)-hexahydro-5'-<(indol-3''-yl)methyl>-1'-methyl-6'-oxospiro(cyclopropane-1,2'-pyrazine)-3'-carboxylate 、 methyl (3'S,5'S)-hexahydro-5'-<(indol-3''-yl)methyl>-1'-methyl-6'-oxospiro(cyclopropane-1,2'-pyrazine)-3'-carboxylate 、 (2'S,6'R)-6'-chlorohexahydro-2'-<(indol-3''-yl)methyl>-4'-methylspiro(cyclopropane-1,5'-<1H><1,4>diazepine)-3',7'-dione