Optically active-2,5-diphenylpyridine

Details Optically active-2,5-diphenylpyridine Optically active-2,5-diphenylpyridine

1988-09-01

1991-09-10

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522996, 25229901, 546330, 546342, 546339, 546346, 546348, 546350, 359104, C09K 1934, C07D21170, C07D21172

Patent

active

050471716

ABSTRACT:
A liquid crystal compound suitable as a material for ferroelectric liquid crystal display elements and a liquid crystal composition containing the same are provided, which liquid crystal compound is an optically active-2,5-diphenylpyridine expressed by the formula (I) ##STR1## wherein one of R.sup.1 and R.sup.2 is 1-20C alkenyl, alkynyl, alkoxy, alkenyloxy or alkynyloxy and the other is an optically active group; and X and Y each independently represent H, halogen or CN and at least one of X and Y is H.

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Schubert, H., Wiss. Z. Univ. Halle XIX'70 M, H.5, 5.1-18.
Demus, D., et al., Flussige Kristalle in Tabellen, Veb Deutscher Verlag fur Grumastoff Industrie, Leipzig, pp. 254-255, (1974).
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