dimethoxymethylium tetrafluoroborate 、
19,20-dimethyl-13-methylsulfanyltetracyclo[13.3.1.18,12.02,7]icosa-1(18),2,4,6,8(20),9,11,15(19),16-nonaene 以
二氯甲烷 为溶剂,
反应 3.0h,
以80%的产率得到tetrafluoro-l
4-borane, (17,18-dimethyl-10,11-dihydro-5,9:12,16-di(metheno)benzo[14]annulen-10-yl)dimethylsulfonium salt