5,5'-bis(tributylstannyl)-2,2'-bithienylacetylene 、
2-bromo-5-hexyl-4H-thieno[2,3-c]pyrrole-4,6(5H)-dione 在
tetrakis(triphenylarsine)palladium(0) 作用下,
以68%的产率得到2,2'-(5,5'-(ethyne-1,2-diyl)bis(thiophene-5,2-diyl))bis(5-hexyl-4H-thieno[2,3-c]pyrrole-4,6(5H)-dione)