2-[2-[2-[4-[4-[2-[2-[2-(3-Oxobutanoyloxy)ethoxy]ethoxy]ethoxy]phenyl]phenoxy]ethoxy]ethoxy]ethyl 3-oxobutanoate 、 1,1,10,10-tetraphenyl-1,9-decadiene 在
manganese triacetate 作用下,
以
溶剂黄146 为溶剂,
反应 1.0h,
以33%的产率得到18,31-Dimethyl-20,20,29,29-tetraphenyl-6,9,12,15,19,30,34,37,40,43-decaoxapentacyclo[42.2.2.22,5.017,21.028,32]pentaconta-1(47),2(50),3,5(49),17,31,44(48),45-octaene-16,33-dione