1,1,12,12-tetraphenyl-1,11-dodecanediene 、
dodecamethylene di(3-oxobutanoate) 在
manganese(III) triacetate dihydrate 、
溶剂黄146 作用下,
反应 0.25h,
以49%的产率得到19,34-dimethyl-3,16,20,33-tetraoxa-2,17-dioxo-21,21,32,32-tetraphenyltricyclo[29.3.0.0(18,22)]tetratriaconta-18,34-diene