9'-[5-Tert-butyl-2-(4-tert-butylphenyl)phenyl]spiro[fluorene-9,10'-phenanthrene]-9'-ol 在
硫酸 、
溶剂黄146 作用下,
反应 2.0h,
以5.77 g的产率得到4,11-Ditert-butylnonacyclo[12.12.12.01,14.02,7.08,13.015,20.021,26.027,32.033,38]octatriaconta-2(7),3,5,8(13),9,11,15,17,19,21,23,25,27,29,31,33,35,37-octadecaene