An Iterative Strategy for the Synthesis of Oligothiophenes by Catalytic Cross-Coupling Reactions
نویسندگان
چکیده
An iterative strategy for the synthesis of new sulfur-functionalized oligothiophenes by Suzuki or Stille cross-coupling reactions was applied to the reaction of 4-bromo-tert-butylphenylthioether with thiophene derivatives. The planarity of the oligothiophenes obtained was confirmed by the singlecrystal X-ray structure analysis of 2-(4′-tert-butylthiophenyl)thiophene, which shows a potentially large electronic conjugation length.
منابع مشابه
Synthesis of functionalized thiophenes and oligothiophenes by selective and iterative cross-coupling reactions using indium organometallics.
The synthesis of unsymmetrical 2,5-disubstituted thiophenes by selective and sequential palladium-catalyzed cross-coupling reactions of indium organometallics with 2,5-dibromothiophene is reported. Following an iterative coupling sequence, α-oligothiophenes were synthesized in good yields and with high atom economy.
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