icosamethylene di(3-oxobutanoate) 、
1,1,22,22-tetraphenyl-1,21-docosadiene 在
manganese(III) triacetate dihydrate 、
溶剂黄146 作用下,
反应 0.6h,
以36%的产率得到27,52-dimethyl-3,24,28,51-tetraoxa-2,25-dioxo-29,29,50,50-tetraphenyltricyclo[47.3.0.0(26,30)]dopentaconta-26,52-diene