Cyclohexanecarbonylic acid ethyl ester derivatives

Details Cyclohexanecarbonylic acid ethyl ester derivatives Cyclohexanecarbonylic acid ethyl ester derivatives

1985-03-28

1986-10-14

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 350350R, 350350S, 560 1, 560 59, 560102, 560118, 560126, C09K 334, G02F 113, C07C 6974, C07C 6976

Patent

active

046171428

ABSTRACT:
A liquid crystal compound having a positive value of dielectric anisotropy and a low viscosity and being capable of extending the mesomorphic range of liquid crystal composition toward its lower region, and a liquid crystal composition containing the same are provided, which compound is a trans-4-substituted-cyclohexanecarboxylic acid .beta.-(4-halogenophenyl) ethyl ester derivative expressed by the general formula ##STR1## wherein R.sup.1 represents R.sup.2, ##STR2## wherein R.sup.2 represents an alkyl group or an alkoxy group, each having 1 to 15 carbons and X represents F or Cl.

REFERENCES:
patent: 4229315 (1980-10-01), Krause et al.
patent: 4261651 (1981-04-01), Gray et al.
patent: 4455443 (1984-06-01), Takatsu et al.
patent: 4507222 (1985-02-01), Inoue et al.
Verbit, L., et al., Liq. Cryst. Ordered Fluids, vol. 2, pp. 307-314 (1973).
Takamuku; S., et al., Nippon Kagaku Kaishi, vol. 1, pp. 67-74 (1984).

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