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Synthesis of aryltrifluoromethylpyridazines application to the synthesis of rod-like molecules as liquid crystals diazines part 46

✍ Scribed by Sylvain Achelle; Nelly Plé; Alain Turck; Jean-Philippe Bouillon; Charles Portella

Book ID
102346810
Publisher
Journal of Heterocyclic Chemistry
Year
2006
Tongue
English
Weight
337 KB
Volume
43
Category
Article
ISSN
0022-152X

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✦ Synopsis

Conjugated oligomers with a trifluoromethylpyridazine unit have been synthesized by Suzuki crosscoupling reaction. These oligomers could be used as building block for construction of supramolecules or as liquid crystals when they are substituted by long chain alkoxy groups.

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Regioselective synthesis and metallation
Regioselective synthesis and metallation of tributylstannylfluoropyrazines. Application to the synthesis of some new fluorinated liquid crystals diazines. Part 34
✍ Frédéric Toudic; Arnault Heynderickx; Nelly Plé; Alain Turck; Guy Quéguiner 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 257 KB

Starting from fluoropyrazine, a general synthetic route including metallation and palladium-catalyzed cross-coupling reactions is described to access to rod-like alkylaryl or diarylpyrazines. Among them, some have liquid crystalline properties.