Synthesis and mesomorphic properties of novel [1,2,3]-triazole mesogenic based compounds

Chahinez Benbayer (1) , Narimane Kheddam (1) , Salima Saïdi-Besbes (1) , Elisabeth Taffin de Givenchy (1) , Frédéric Guittard (1) , Eric Grelet (2) , Abdel Mounaim Safer (1) , Aïcha Derdour (3)

1 LPMC - Laboratoire de physique de la matière condensée
2 CRPP - Centre de recherches Paul Pascal
3 Laboratoire de Synthèse Organique Appliquée

A series of five-membered heterocyclic 1,2,3-triazole derivatives with different substituents in N1 position was synthesized. The heterocyclic moiety was connected through an ester function to a p-decyloxyphenyl or p-decyloxybiphenyl tails Polarized microscopy studies, X-ray scattering and differential scanning calorimetry (DSC) analysis revealed that the target compounds exhibit enantiotropic liquid crystalline properties. Their mesomorphic behavior is closely related to the nature of the substituent X present in N1 position of the heterocycle.

Mots clés: 3-Triazole; Mesogens; 3-Dipolar cycloaddition; Smectic mesophases; DSC

Chahinez Benbayer, Narimane Kheddam, Salima Saïdi-Besbes, Elisabeth Taffin de Givenchy, Frédéric Guittard, et al.. Synthesis and mesomorphic properties of novel [1,2,3]-triazole mesogenic based compounds. Journal of Molecular Structure, 2013, 1034, pp. 22-28. ⟨10.1016/j.molstruc.2012.09.020⟩. ⟨hal-00771131⟩