2,2',7,7'-Tetramethoxy-9'-[5-methoxy-2-(4-methoxyphenyl)phenyl]spiro[fluorene-9,10'-phenanthrene]-9'-ol 在
硫酸 、
溶剂黄146 作用下,
反应 2.0h,
以0.35 g的产率得到4,11,17,24,29,36-Hexamethoxynonacyclo[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(20),16,18,21(26),22,24,27(32),28,30,33(38),34,36-octadecaene