Mesomorphic arylsulfonamide derivatives containing four long alkyl chains and polar groups (fluoro, cyano or amino) have been synthesized and characterized by polarized optical microscopy, differential scanning calorimetry, and X-ray diffraction on the mesophase. Studies of the supramolecular organization of these molecules have allowed a better understanding of the noncovalent driving forces (dipole··· dipole and hydrogen-bonding interactions) responsible for the self-assembly, which is mainly due to the presence of the polar groups. Polar groups play an important role in the organization of arylsulfonamide derivatives in mesophases. Hydrogen-bonding interactions between amino groups or dipole·· ·dipole interactions between CF or CN groups are responsible for the forces that characterize the cohesion of molecules in hexagonal columnar mesophases. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
|Journal||European Journal of Organic Chemistry|
|Publication status||Published - 1 Aug 2013|
- Electrostatic interactions
- Hydrogen bonds
- Liquid crystals