Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 128, Issue 33, Pages 10930-10933Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja060749v
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Synthesis of oligothiophenes of well-defined structures that possess 2-8 thiophene units is performed with a new synthetic strategy involving C-H homocoupling of bromothiophenes and cross-coupling with organostannanes. Tolerance of the carbon-bromine bond to the palladium-catalyzed C-H homocoupling results in oligothiophenes bearing C-Br bonds at the terminal thiophene rings, which allow further transformation by the catalysis of a transition-metal complex.
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