5,5'-diiodo-2,2-bithiophene 、
2-[2-(tetrahydropyranyloxy)ethyl]thiophenyl-5-yl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride aluminum oxide 、 potassium fluoride 、
氢氧化钾 作用下,
反应 0.08h,
以87%的产率得到5,2'''-di[2-(tetrahydropyranyloxy)ethyl]-2,2':5',2'':5'':2'''-quaterthiophene