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Materials 2010, 3(5), 3218-3330; doi:10.3390/ma3053218

Review

Star-Shaped Conjugated Systems

Heiner Detert ¹ , Matthias Lehmann ²  and Herbert Meier ^1,*

¹ Institute of Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55099 Mainz, Germany ² Institute of Chemistry, Chemnitz University of Technology, Straße der Nationen 62, D-09111 Chemnitz, Germany

* Author to whom correspondence should be addressed.

Received: 29 January 2010; in revised form: 1 April 2010 / Accepted: 28 April 2010 / Published: 19 May 2010

(This article belongs to the Special Issue Conjugated Oligomers)

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Abstract: The present review deals with the preparation and the properties of star-shaped conjugated compounds. Three, four or six conjugated arms are attached to cross-conjugated cores, which consist of single atoms (B, C⁺, N), benzene or azine rings or polycyclic ring systems, as for example triphenylene or tristriazolotriazine. Many of these shape-persistent [n]star compounds tend to π-stacking and self-organization, and exhibit interesting properties in materials science: Linear and non-linear optics, electrical conductivity, electroluminescence, formation of liquid crystalline phases, etc.

Keywords: [n]stars; conjugation; CC coupling; optoelectronics

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