6,6-bis(4-(trifluoromethyl)benzyl)cyclohex-1-enyl trifluoromethanesulfonate 在
(3aR,8aR)-N,N-dibutyl-4,4,8,8-tetrakis(4-tert-butylphenyl)-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-e][1,3,2]dioxaphosphepin-6-amine 、 palladium diacetate 、
碳酸氢钠 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
生成
(R)-6-(trifluoromethyl)-9a-(4-(trifluoromethyl)benzyl)-2,3,9,9a-tetrahydro-1H-fluorene 、 (S)-6-(trifluoromethyl)-9a-(4-(trifluoromethyl)benzyl)-2,3,9,9a-tetrahydro-1H-fluorene