349481-77-2Relevant academic research and scientific papers
Homologous series of regioregular alkylsubstituted oligothiophenes up to an 11-mer
Kr?mer, Jens,B?uerle, Peter
, p. 3785 - 3794 (2001)
A complete series of structurally well-defined butylated oligothiophenes up to an 11-mer was synthesized by a combination of aryl-aryl cross-coupling reactions and cyclization of 1,3-butadiyne precursors with sulfide anions. Palladium-catalyzed cross-coupling of halogenated thiophene units with trimethylsilylacetylene effectively yields ethynylated thiophenes which after deprotection are oxidatively coupled to the corresponding 1,3-butadiynes.
