(4S,5S)-2,2-[bis-(2-(4-fluorophenyl)ethyl)]-N,N,N',N'-tetrakis[(4-methylphenyl)methyl]-1,3-dioxolane-4,5-dimethanamine 、 trimethoxonium tetrafluoroborate 以
二氯甲烷 为溶剂,
反应 24.0h,
以52%的产率得到(4S,5S)-2,2-[bis-(2-(4-fluorophenyl)ethyl)]-N,N'-dimethyl-N,N,N',N'-tetrakis[(4-methylphenyl)methyl]-1,3-dioxolane-4,5-dimethanaminium ditetrafluoroborate