Synthesis and Mesomorphic Properties of Chiral Esters Comprising Partially Fluorinated Alkoxyalkoxy Terminal Chains and a 1-methylheptyl Chiral Moiety

Abstract

Two structurally similar homologous series of chiral esters with partially fluorinated alkoxyalkoxy terminal chains are described. Their synthetic routes and mesomorphic properties, such as phase transitions temperatures and enthalpies, are characterized by polarizing optical microscope and differential scanning calorimetry.

Keywords:

• enthalpies
• fluorinated AFLCs
• phase transitions
• synthesis

Notes

Upper row – temperature from microscope observations; central row – temperature from DSC observations; down row – enthalpies; ( ) – temperature obtained during cooling cycle.