2,6-二乙酰基吡啶 、 4,5-diamino-2,3,6,7,9,9-hexamethylxanthene 在
对甲苯磺酸 作用下,
以
正丁醇 为溶剂,
反应 39.0h,
以74%的产率得到2,5,6,14,15,18,24,27,28,36,37,40,46,46,48,48-Hexadecamethyl-10,32-dioxa-3,17,25,39,45,47-hexazanonacyclo[39.3.1.18,12.119,23.130,34.04,9.011,16.026,31.033,38]octatetraconta-1(45),2,4,6,8,11,13,15,17,19(47),20,22,24,26,28,30,33,35,37,39,41,43-docosaene