A novel and efficient approach to (Z)-1,2-bis(benzodithienyl)ethene precursors of tetrathia[7]helicenes

被引：40

作者：

Baldoli, C

Bossi, A

Giannini, C

Licandro, E

Maiorana, S

Perdicchia, D

Schiavo, M

机构：

[1] CNR, Ist Sci & Tecnol Mol, I-20133 Milan, Italy

[2] Univ Milan, Dipartimento Chim Organ & Ind, I-20133 Milan, Italy

[3] Univ Milan, CIMAINA, I-20133 Milan, Italy

来源：

SYNLETT | 2005年 / 07期

关键词：

coupling; helical structures; fused ring systems; (Z)-1,2-bis(benzodithiophenyl)ethenes; thiahelicenes;

D O I：

10.1055/s-2005-865211

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new and efficient method for the 'one-step' synthesis of (Z)-1,2-bis(benzodithienyl)ethenes has been set up using double Suzuki coupling between stereochemically defined diboronic acid esters and 2-iodo-benzodithiophene. The new Z-alkenes thus obtained can be easily and efficiently photochemically cyclised to the newly substituted tetrathia[7]helicenes.

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页码：1137 / 1141

页数：5

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