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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
In
European Journal of Organic Chemistry, Wiley, 2015/2015/27/6005-6010
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.
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Type de publication
journal article
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