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  4. Olefin Cross-Metathesis: a Versatile Synthetic Reaction for the Design of Janus Liquid Crystals
 
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Olefin Cross-Metathesis: a Versatile Synthetic Reaction for the Design of Janus Liquid Crystals

Auteur(s)
Trinh, Thi Minh Nguyet
Nguyen, Thanh Tung
Kopp, Cyril
Pieper, Pauline
Russo, Virginie
Heinrich, Benoît
Donnio, Bertrand
Nguyen, Thi Le Anh
Deschenaux, Robert 
Institut de chimie 
In
European Journal of Organic Chemistry, Wiley, 2015/2015/27/6005-6010
Mots-clés
  • Liquid crystals
  • Mesophases
  • Supramolecular chemistry
  • Materials
  • Olefin cross-metathesis
  • Cross-coupling
  • Liquid crystals

  • Mesophases

  • Supramolecular chemis...

  • Materials

  • Olefin cross-metathes...

  • Cross-coupling

Résumé
The olefin cross-metathesis reaction using the second-generation Grubbs catalyst was employed to prepare non-symmetrical thermotropic liquid crystals from various mesomorphic or nonmesomorphic type I and type II olefinic constructs, including linear, chiral, dendritic and ferrocenyl olefins. Smectic C, smectic A and nematic phases, as well as chiral smectic A and chiral nematic phases were observed in agreement with the structure and nature of the mesogens. The olefin cross-metathesis proved to be a valuable chemical reaction in designing dimeric and <i>Janus</i>-like thermotropic liquid crystals built from two different molecular entities.
Identifiants
https://libra.unine.ch/handle/123456789/4651
_
10.1002/ejoc.201500754
Type de publication
journal article
Dossier(s) à télécharger
 main article: Trinh_T.M.N.-Olefin_cross-metathesis-20170518160630-ED.pdf (4.22 MB)
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