Z-6-bromo-3-(3-chloro-benzylidene)-1,3-dihydro-indol-2-one 、
1-(5-chloro-2-methyl-phenyl)-3-trimethylsilyloxy-2-aza-1,3-butadiene 以
甲苯 为溶剂,
以to give racemic (2′R,3R,4′S)-6-bromo-4′-(3-chlorophenyl)-2,3-dihydro-2′-(5-chloro-2-methylphenyl)-2,6′-dioxospiro[indole-3,3′-piperidine] as a white solid的产率得到racemic (2'R,3R,4'S)-6-bromo-4'-(3-chlorophenyl)-2,3-dihydro-2'-(5-chloro-2-methylphenyl)-2,6'-dioxospiro[indole-3,3'-piperidine]