acetoacetate diester of diethylene glycol 、 bis(3,3-diphenyl-2-propenyl) ether 在
manganese(III) triacetate dihydrate 、
溶剂黄146 作用下,
反应 0.67h,
以67%的产率得到12,22-dimethyl-3,6,9,13,17,21-hexaoxa-2,10-dioxo-14,14,20,20-tetraphenyltricyclo[17.3.0.0(11,15)]docosa-11,22-diene