Tolan derivatives, liquid crystal compositions including same, l

Details Tolan derivatives, liquid crystal compositions including same, l Tolan derivatives, liquid crystal compositions including same, l

1991-02-08

1994-05-24

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229963, 25229966, 25229901, C09K 1906, C09K 1930, C09K 1912, C07C25500

Patent

active

053146409

ABSTRACT:
A tolan derivative suitable for use in a liquid crystal composition represented by the general formula: ##STR1## wherein R is a straight chain alkyl group having from 1 to 10 carbon atoms, A is either ##STR2## or a single bond, and X is hydrogen or fluorine.

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Gray, et al., "Mesomorphic Transition Temperatures . . . ", Mol.Cryst.Liq.Crst., 1976, vol. 37, pp. 213-231.
Fieser et al. Organic Chemistry 3rd edition (1956) pp. 86-87.

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