1-(5-fluoro-2-methyl-phenyl)-3-trimethylsilyoxy-2-aza-1,3-butadiene 、
E/Z-3-[2-(tert-butylsulfamoyl-methoxy)-5-chloro-benzylidene]-6-chloro-2-oxo-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester 以
甲苯 为溶剂,
反应 4.0h,
生成 rac-(2'S,3S,4'R)-[2-(tert-butylsulfamoyl-methoxy)-5-chloro-phenyl]-6-chloro-2'-(5-fluoro-2-methyl-phenyl)-2,3-dihydro-4'-2,6'-dioxo spiro[indole-3,3'-piperidine]-1-carboxylic acid tert-butyl ester