Optically active azoxy compound and liquid crystal composition

Details Optically active azoxy compound and liquid crystal composition Optically active azoxy compound and liquid crystal composition

1986-01-22

1988-08-02

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 534566, 534577, 350350S, C09K 1924, C09K 1926, C07C10500, C07C10706

Patent

active

047612460

ABSTRACT:
A novel liquid-crystalline, optically active compound exhibiting a chiral smectic phase and a chiral smectic liquid crystal composition containing the same are provided, which liquid-crystalline, optically active compound is a compound expressed by the formula ##STR1## wherein X represents a linear chain alkyl group or a linear chain alkoxy group, each of 4 to 18 carbon atoms, or a halogen atom, R* represents an optically active alkyl group of 4 to 18 carbon atoms and ##STR2## shows that the oxygen atom can be bonded to either nitrogen atom.

REFERENCES:
patent: 3977769 (1976-08-01), Tsukamoto et al.
patent: 3989639 (1976-11-01), Yaguchi et al.
patent: 4016094 (1977-04-01), Tsukamoto et al.
patent: 4613209 (1986-09-01), Goodby et al.
Tsukamoto et al, Japanese J. Applied Physics, 14(9), pp. 1307-1312 (1975).
Keller, Annalles Physique, 3, pp. 139-144 (1978).
Demus et al, Flussige Kristalle in Tabellen, pp. 144-145, 164-166 (1976).
Demus et al, Flussige Kristalle in Tabellen II, pp. 244-246, 259-261 (1984).
Gray et al, Liquid Crystals Plastic Crystals, vol. 1, pp. 103-152, (1974).
Goodby et al, Liquid Crystals Ordered Fluids, vol. 4, pp. 1-32, (1984).

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