Synthesis of Functionalized Carbon-Sulfur [5]Helicene: Pd-Catalyzed Negishi Cross-Coupling between the β-Positions of Thiophenes

Makoto Miyasaka, Andrzej Rajca

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

Octyl- and bromo-substituted carbon-sulfur [5]helicene was prepared in several steps starting from either thiophene or 3-bromothiophene. Pd-catalyzed Negishi cross-coupling between the β-positions of thiophenes was one of the key steps in the synthesis.

Original languageEnglish (US)
Pages (from-to)177-181
Number of pages5
JournalSynlett
Issue number1
DOIs
StatePublished - Jan 5 2004

Keywords

  • Alkylthiophene
  • Cross-coupling
  • Helical structures
  • Helicene
  • Oligothiophene

ASJC Scopus subject areas

  • Organic Chemistry

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