1,1'-Disubstituted Ferrocene-Containing Thermotropic Liquid Crystals of Structure 5-C5H4)COOC6H4XC6H4OCnH2n+1>2> (X=OOC or COO). Influence of the Orientation of the Central Ester Function on the Mesogenic Properties
The two series I and II of 1,1'-disubstituted ferrocenes which differ by the direction of the ester function included the rigid organic part were synthesized and their liquid crystal properties examined.These latter were found to be strongly dependent on the orientation of the connecting ester group and on the alkyl chain.
Deschenaux, Robert,Marendaz, Jean-Luc,Santiago, Julio
p. 865 - 876
(2007/10/02)
Molecular Structure and Liquid Crystalline Properties: The Effect of the Terminal Hydroxy Group on Mesomorphic Properties
The thermal properties of 4-hydroxyphenyl 4-(4-alkoxybenzoyloxy)benzoates (1), 4-(4-alkoxyphenoxycarbonyl)phenyl 4-hydroxybenzoates (2), 4-(4-alkoxybenzoyloxy)phenyl 4-hydroxybenzoates (3), 4-hydroxyphenyl 4-(4-alkoxyphenoxycarbonyl)benzoates (4) and some
Sakurai, Y.,Tamatani, A.,Teshima, K.,Kusabayashi, S.,Takenaka, S.
p. 163 - 172
(2007/10/02)
FERROELECTRIC SC* PHASE IN SOME BENZOATE SERIES
Several homologous benzoate series which exhibit ferroelectric smectic SC* phases have been synthesized.The used chiral acid chains were prepared from commercially available α-amino acids.The series allow us to determine the influence of the size of the substituent of the chiral carbon on the existence and the stability of the SC* phase.They also give some compounds or mixtures which display high spontaneous polarization.
Tinh, Nguyen Huu,Salleneuve, C.,Babeau, A.,Galvan, J. M.,Destrade, C.
p. 147 - 154
(2007/10/02)
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