10,15-dihydro-2,7,12-trimethyl-3,8,13-tris(2-propynyloxy)-5H-tribenzocyclononene 在
吡啶 、 copper diacetate 、
氧气 作用下,
反应 0.08h,
以4%的产率得到12,13,14,15,35,36,37,38-octadehydro-5,11,16,23,28,34,39,46-octahydro-2,19,25,42,49,61-hexamethyl-3,26-(epoxy<2,4>hexadiynoxy)-6,9:29,32-dietheno-7,44:21,30-dimethano-22H,45H-dibenzo
1,8,22,29>tetraoxacyclodotetracontin