1-[[4-[4-[(3-Formylindol-1-yl)methyl]phenyl]phenyl]methyl]indole-3-carbaldehyde 在
四氯化钛 、
锌 作用下,
以
四氢呋喃 为溶剂,
以18%的产率得到7,24,35,52-tetrazatridecacyclo[52.2.2.22,5.226,29.230,33.17,14.117,24.135,42.145,52.08,13.018,23.036,41.046,51]octahexaconta-1(57),2(68),3,5(67),8,10,12,14(66),15,17(65),18,20,22,26,28,30(62),31,33(61),36,38,40,42(60),43,45(59),46,48,50,54(58),55,63-triacontaene