22-(2,4,6-Triphenyl-1-pyridinio)-3,6,9,12,15,18-hexaoxabicyclo<18.3.1>tetracosa-1(24),20,22-trien-24-ol Tetrafluoroborate 在
Amberlyst A-21 作用下,
以
二氯甲烷 为溶剂,
以85%的产率得到22-(2,4,6-Triphenyl-1-pyridinio)-3,6,9,12,15,18-hexaoxabicyclo<18.3.1>tetracosa-1(24),20,22-trien-24-olate