1,1,10,10-tetraphenyl-1,9-decadiene 、
dodecamethylene di(3-oxobutanoate) 在
manganese(III) triacetate dihydrate 、
溶剂黄146 作用下,
反应 0.35h,
以57%的产率得到19,32-dimethyl-3,16,20,31-tetraoxa-2,17-dioxo-21,21,30,30-tetraphenyltricyclo[27.3.0.0(18,22)]dotriaconta-18,32-diene