Liquid-CrystalIine 4-(trans-4′-n-AIkyIcyclohexyI) Benzoates. The Effect of Terminal and Lateral Substituents on the Mesomorphic, Thermodynamic and Dielectric Properties

From 4-(trans-4′-n-akylcyclohexyl)-benzoyl chlorides four series of esters of the general formula: have been prepared. II, n = 5, Z = H, X = H, F, Cl, Br, I, CHO, CH(OCH3)2, COCH3, CN, N(CH3)2, NO2, NCS, SCN, OH, OCOCH3, CH2CN, CH2—CH2CN, alkyl, alkoxyl, phenyl; IIIa and IIIb, n = 2 − 10, Z = H, X = CN(a) and X = NO2(b); IVa and IVb, n = 2 − 10, Z = CN, X = C5H11(a) and X = C4H9(b).