在
4-甲基苯磺酸吡啶 作用下,
以
二氯甲烷 为溶剂,
以22%的产率得到14,18,40,50-Tetraoxa-5,27-diazadodecacyclo[29.17.3.26,13.219,26.134,38.142,46.04,47.05,45.07,12.020,25.027,35.028,33]heptapentaconta-1(48),2,4(47),6(57),7,9,11,13(56),19(55),20,22,24,26(54),28(33),29,31,34,36,38(53),42(52),43,45-docosaene