Synthesis and Physical Characterization of β-Alkyl Oligoselenophenes
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α-Conjugated oligoselenophenes are characterized by very low solubility in organic solvents. Their higher solubility may be achieved by introducing alkyl side chains into the β-positions of selenophene moieties. For the first time, β,β′-dihexyl sexiselenophene is synthesized according to the conventional approach. Physical and electrochemical studies of β,β′-dialkyl oligomers are analyzed and compared with corresponding thienyl oligomers.
Keywordsselenophene oligomer oligoselenophene sexiselenophenes Stille coupling Ullman coupling
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