decane-1,10-diyl bis(3-oxobutanoate) 、
1,1,20,20-tetraphenyl-1,19-icosanediene 在
manganese(III) triacetate dihydrate 、
溶剂黄146 作用下,
反应 0.35h,
以50%的产率得到17,40-dimethyl-3,14,18,39-tetraoxa-2,15-dioxo-19,19,38,38-tetraphenyltricyclo[35.3.0.0(16,20)]tetraconta-16,40-diene