1,1,20,20-tetraphenyl-1,19-icosanediene 、
(1,4-phenylenebis(oxy))bis(octane-8,1-diyl) bis(3-oxobutanoate) 在
manganese triacetate 作用下,
以
溶剂黄146 为溶剂,
反应 0.92h,
以50%的产率得到14,37-Dimethyl-16,16,35,35-tetraphenyl-2,11,15,36,40,49-hexaoxatetracyclo[48.2.2.013,17.034,38]tetrapentaconta-1(53),13,37,50(54),51-pentaene-12,39-dione