Pyrimidine derivative and liquid crystal composition containing

Details Pyrimidine derivative and liquid crystal composition containing Pyrimidine derivative and liquid crystal composition containing

1986-02-11

1987-08-04

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 350350R, 544242, 544298, 544335, C09K 1934, C07D23900, C07D23902

Patent

active

046844767

ABSTRACT:
A novel pyrimidine derivative which, when used as a component of a liquid crystal composition, is useful for driving a liquid crystal cell containing the composition at low voltages, and a liquid crystal composition containing the same are provided, which pyrimidine derivative is expressed by the formula ##STR1## wherein n represents an integer of 0 or 1; R represents an alkyl or alkoxy group of 1 to 10 carbon atoms; and X.sub.1, X.sub.2 and X.sub.3 each represent hydrogen atom, F, Cl or Br as halogeno group, cyano group or trifluoromethyl group and at least one of X.sub.1, X.sub.2 and X.sub.3 is trifluoromethyl group.

REFERENCES:
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patent: 4505837 (1985-03-01), Romer et al.
patent: 4533488 (1985-08-01), Fukui et al.
patent: 4581155 (1986-04-01), Goto et al.
patent: 4640795 (1987-02-01), Ogawa et al.
Lebarny, P. et al., Mol. Cryst. Liq. Cryst., vol. 127, pp. 413-429 (1985).

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