(-)-2,2'-dicarbomethoxy-9,9'-bianthryl 、
环己-1,3-二烯-5-炔 生成 methyl 1-(4-methoxycarbonyl-1-pentacyclo[6.6.6.02,7.09,14.015,20]icosa-2(7),3,5,9,11,13,15,17,19-nonaenyl)pentacyclo[6.6.6.02,7.09,14.015,20]icosa-2(7),3,5,9,11,13,15,17,19-nonaene-4-carboxylate