Optically active aromatic compounds, preparation process thereof

Details Optically active aromatic compounds, preparation process thereof Optically active aromatic compounds, preparation process thereof

1990-12-13

1993-08-24

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229961, 25229966, 25229965, 25229967, 544298, 568647, 568661, 568716, 560102, C09K 1906, C09K 1900, C07C 6976, C07C 3900

Patent

active

052385981

ABSTRACT:
Disclosed in the present invention are the optically active aromatic compounds having a trifluoromethyl group useful as a component of ferroelectric liquid crystal compositions, a process for preparing the above compounds, liquid crystal compositions having the above compounds as an active ingredient, and liquid crystal elements using the above compositions. The optically active aromatic compounds of the Present invention represented by the formula: ##STR1## have the very excellent properties as a liquid crystal material and are useful for the preparation of liquid crystal compositions and the liquid crystal elements using such compositions.

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Streitwieser et al., Intro. to Organic Chemistry, 3rd ed. p. 819, (1985).
McMurry, J., Organic Chemistry, p. 982, (1984).
Japanese Journal of Applied Physics/Part 2: Letters, vol. 26, No. 2, Feb. 1987, pp. L77-L78, Tokyo, JP; K. Yoshino et al.: "Novel ferroelectricity in fluorinated ferroelectric liquid crystal".

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