LIQUID-CRYSTALLINE 4-(TRANS-4 prime -n-ALKYLCYCLOHEXYL) BENZOATES. THE EFFECT OF TERMINAL AND LATERAL SUBSTITUENTS ON THE MESOMORPHIC, THERMODYNAMIC AND DIELECTRIC PROPERTIES.
From 4-(trans-4 prime -n-alkylcyclohexyl)-benzoyl chlorides four series of esters were prepared to study the effects of various substituents, especially those in the terminal position, on the phase transition temperatures and enthalpies and on the dielectric constants.
Dabrowski,Dziaduszek,Szczucinski,Raszewski
p. 411 - 443
(2007/10/02)
SYNTHESIS OF TRANS-4-ALKYL-1-PHENYLCYCLOHEXANES AND THEIR DERIVATIVES
The alkylation of benzene by 1-alkanoyl-2-chlorocyclohexanes and 1-alkanoyl-1-cyclohexenes leads to the formation of cis- and trans-4-alkanoyl-1-phenylcyclohexanes, the yields of which increase with increase in the reaction temperature. trans-4-Alkyl-1-phenylcyclohexanes were obtained from 4-alkanoyl-1-phenylcyclohexanes and also from the products from the reaction of 4-alkylcyclohexanones with phenylmagnesium bromide.Some mesomorphous derivatives of these hydrocarbons were synthesized.
Bezborodov, V. S.,Bubel', O. N.,Konovalov, V. A.,Ptashnikov, Yu. L.
p. 1479 - 1483
(2007/10/02)
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