Liquid crystalline cyclohexane derivatives

Details Liquid crystalline cyclohexane derivatives Liquid crystalline cyclohexane derivatives

1979-01-05

1980-10-21

Gron, Teddy S.

Compositions

Liquid crystal compositions

252408, 350350R, 260465R, 260465D, 260465F, 2604651, 2604654, 560 1, 560 59, 560 73, 560102, 560106, 560107, 560118, 560126, 560141, C09K 334, C02F 113, C07C 6976, C07C 6974, C07C12152

Patent

active

042293154

ABSTRACT:
Cyclohexane derivatives of the formula ##STR1## wherein the rings A and B are identical or different and are each a 1,4-disubstituted phenyl or cyclohexyl ring; X is --CO--O -- or --O--CO--; R.sub.1 is alkyl of 1-8 carbon atoms; and R.sub.2 is alkyl of 1-8 carbon atoms, and when the ring B is phenyl, R.sub.2 is alkyl, alkoxy or alkanoyloxy, each of up to 8 carbon atoms, or --CN, have valuable liquid crystalline properties.

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Eidenschink, R., et al., Angew, Chem., vol. 89, p. 103 (1977).
Karamysheva, L. A., et al., Mol. Cryst. Viq. Cryst., vol. 37, pp. 29-34 (1976).
Coates, D. et al., Mol. Cryst. Lia. Cryst., vol. 31, pp. 275-283 (1975).
Dewar, M. J. S., et al., J. Am. Chem. Soc., vol. 92, No. 6, pp. 1582-1586 (1970).

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