bis[2-(but-2-ynyloxy)naphthalen-1-yl]-1,3-butadiyne 、
1,5-diphenyl-penta-1,4-diyn-3-one 在
bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate 、
C.I.酸性棕21 作用下,
以
二氯甲烷 为溶剂,
生成 (-)-9,13-dimethyl-10,12-diphenyl-8H,11H,14H-7,15-dioxafluoreno[3,4-c:6,5-g']diphenanthren-11-one 、 (-)-9,13-dimethyl-10,12-diphenyl-8H,11H,14H-7,15-dioxafluoreno[3,4-c:6,5-g']diphenanthren-11-one