6,6'-bis(bromomethyl)-4,4'-dimethyl-2,2'-methanediyldiphenol 、
4-bromo-6-[(5-bromo-2,4-dihydroxyphenyl)-(4-chlorophenyl)methyl]benzene-1,3-diol 在
四氯化钛 作用下,
以
1,4-二氧六环 为溶剂,
反应 120.0h,
生成 5,11-dibromo-8-(4-chlorophenyl)-17,23-dimethylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3(28),4,6,9,11,13(27),15,17,19(26),21(25),22-dodecaene-4,12,25,26,27,28-hexol