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

Makoto Miyasaka; Andrzej Rajca

doi:10.1055/s-2003-43335

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

Makoto Miyasaka, Andrzej Rajca

Chemistry

Research output: Contribution to journal › Article › peer-review

24 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 language	English (US)
Pages (from-to)	177-181
Number of pages	5
Journal	Synlett
Issue number	1
DOIs	https://doi.org/10.1055/s-2003-43335
State	Published - Jan 5 2004

Keywords

Alkylthiophene
Cross-coupling
Helical structures
Helicene
Oligothiophene

ASJC Scopus subject areas

Organic Chemistry

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10.1055/s-2003-43335

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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.",

keywords = "Alkylthiophene, Cross-coupling, Helical structures, Helicene, Oligothiophene",

author = "Makoto Miyasaka and Andrzej Rajca",

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AU - Rajca, Andrzej

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Y1 - 2004/1/5

N2 - 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.

AB - 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.

KW - Alkylthiophene

KW - Cross-coupling

KW - Helical structures

KW - Helicene

KW - Oligothiophene

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

Abstract

Keywords

ASJC Scopus subject areas

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