Trans-olefin compounds, method for production thereof, liquid cr

Details Trans-olefin compounds, method for production thereof, liquid cr Trans-olefin compounds, method for production thereof, liquid cr

1994-07-29

1998-01-13

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 2522996, 25229962, 25229966, 546339, 544298, 544224, 544242, C09K 1934, C09K 1952, C09K 1912, C09K 1932

Patent

active

057075476

ABSTRACT:
The present invention relates to trans-olefin compounds represented by the general formula (1) useful as an ingredient of liquid crystal composition, trans-olefin compounds useful as intermediate of pesticides, medical drugs, liquid crystal materials and the like, a process for producing those trans-olefin compounds, a liquid crystal composition containing the trans-olefin compound as an active ingredient, and a liquid crystal element using the liquid crystal composition. ##STR1## (In the general formula (1), R.sup.1, A.sup.1, A.sup.2, A.sup.3, Z and R.sup.2 are same as defined in the specification. Also, m, p, q, n, r, s and t are each an integer as defined in the specification.)

REFERENCES:
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patent: 4834904 (1989-05-01), Krause et al.
patent: 5013478 (1991-05-01), Petrzilka et al.
patent: 5087769 (1992-02-01), Aslam et al.
patent: 5209866 (1993-05-01), Reiffenrath et al.
patent: 5232624 (1993-08-01), Reiffenrath et al.
patent: 5238602 (1993-08-01), Petrzilka et al.

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