4,6-bis[8-(2-ethynylphenoxy)octyloxy]dibenzofuran 在
碘 、
potassium carbonate 作用下,
以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
以35%的产率得到2,9,18,35,44-Pentaoxahexacyclo[43.4.0.03,8.04,49.019,24.029,34]nonatetraconta-1(49),3,5,7,19,21,23,29,31,33,45,47-dodecaen-25,27-diyne