pentafluorobenzyloxycarbonylmethylenetetramethylenesulfurane 、
3-acetyl-1-isopropylideneindene 以
四氢呋喃 为溶剂,
反应 0.33h,
生成 (2,3,4,5,6-pentafluorophenyl)methyl (1R,3R)-3'-acetyl-2,2-dimethylspiro[cyclopropane-3,1'-indene]-1-carboxylate 、 (2,3,4,5,6-pentafluorophenyl)methyl (1S,3R)-3'-acetyl-2,2-dimethylspiro[cyclopropane-3,1'-indene]-1-carboxylate