Yl. Xu et al., NOVEL FLUORINATED LIQUID-CRYSTALS .8. THE SYNTHESIS AND MESOMORPHIC PROPERTIES OF 4'-N-ALKOXYPHENYL ALKOXY-2,3,5,6-TETRAFLUOROPHENYL)ETHYNYL]BENZOATES, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 281, 1996, pp. 37-42
Eighteen members of 4'-n-alkoxyphenyl 4 ''-[(4-n-alkoxy-2,3,5,6-tetraf
luorophenyl) ethynyl] benzoates have been synthesized. Polarizing micr
oscopic textural observation shows that they exhibit enantiotropic nem
atic phase and smetic C phase.