hexacosamethylene di(3-oxobutanoate) 、
1,1,32,32-tetraphenyl-1,31-dotriacontadiene 在
manganese(III) triacetate dihydrate 、
溶剂黄146 作用下,
反应 1.37h,
以22%的产率得到33,68-dimethyl-3,30,34,67-tetraoxa-2,31-dioxo-35,35,66,66-tetraphenyltricyclo[63.3.0.0(32,36)]octahexaconta-32,68-diene