Synthesis of functionalized carbon-sulfur [5]Helicene:: Pd-catalyzed Negishi cross-coupling between the β-positions of thiophenes

被引：43

作者：

Miyasaka, M ^{[1
]}

Rajca, A ^{[1
]}

机构：

[1] Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA

来源：

SYNLETT | 2004年 / 01期

关键词：

helical structures; cross-coupling; alkylthiophene; helicene; oligothiophene;

D O I：

10.1055/s-2003-43335

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

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 beta-positions of thiophenes was one of the key steps in the synthesis.

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收藏

页码：177 / 181

页数：5

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