Antiferroelectric liquid crystal compound and process for produc

Details Antiferroelectric liquid crystal compound and process for produc Antiferroelectric liquid crystal compound and process for produc

1993-05-20

1994-09-06

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229962, 25229965, 25229966, 25229967, 560 4, 560 17, C09K 1920, C09K 1912, C07C32362, C07C32732

Patent

active

053445864

ABSTRACT:
A novel antiferroelectric liquid crystal compound is disclosed which is represented by the following formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from C.sub.3 -C.sub.18 alkyl groups, respectively, Rf is a lower fluoroalkyl group, X is a group selected from the group consisting of --O--, --COO--, --OCO--, and --CO--, or a single bond, (A) and (B) each is a group independently selected from the group consisting of phenyl, biphenyl, and naphthalene group which may be substituted with a halogen atom, and C having an asterisk indicates an asynunetric carbon atom. A process for producing the antiferroelectric liquid crystal compound is also disclosed.

REFERENCES:
patent: 5207947 (1993-05-01), Suzuki et al.
N. H. Trinh et al., "Chiral SC* Phase in Some Thiobenzoates Series*", Molecular Crystals and Liquid Crystals, Letters Section, vol. 4, No. 3-4, 1987, pp. 93-98.

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