Optically active tolan derivatives

Details Optically active tolan derivatives Optically active tolan derivatives

1988-11-10

1990-10-09

Thexton, Matthew A.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

350350S, 350350R, C09K 1906

Patent

active

049618741

ABSTRACT:
Novel optically active tolan derivative represented by the general formula (I) and process for preparing thereof; ##STR1## (wherein all the symbols are the same as defined in the appended claims) are disclosed. These are effective for use in preparation of liquid crystal material capable of effectively preventing the formation of the cross-talk phenomenon due to changes due to temperature in the high level multiplexing driving system.

REFERENCES:
patent: 3925482 (1975-12-01), Jacques
patent: 4670182 (1987-06-01), Fujita et al.
patent: 4726910 (1988-02-01), Takatsu et al.
patent: 4728458 (1958-03-01), Higuchi et al.
patent: 4754051 (1988-06-01), Sasaki et al.
patent: 4764636 (1988-08-01), Sasaki et al.
Malthete et al., Mol. Cryst. Liq. Cryst., vol. 23, pp. 233-260 (1973).
Bernotas et al., Advances in LC Research & Appl., vol. 2, pp. 1019-1022 (1980).

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