3-Chloro-4-cyanophenyl 4'-substituted benzoates

Details 3-Chloro-4-cyanophenyl 4'-substituted benzoates 3-Chloro-4-cyanophenyl 4'-substituted benzoates

1982-09-23

1984-01-03

Gron, Teddy S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

25229961, 25229963, 25229965, 260465D, 260465F, 260465G, 549374, 549375, G02F 113, C09K 334, C07D31904

Patent

active

044243715

ABSTRACT:
Disclosed are compounds of the formula: ##STR1## wherein R is an alkyl group having 1 to 8 carbon atoms and X is a dioxane, cyclohexane, or benzene ring. The compounds of the invention are suitable as liquid crystal materials in electrooptical displays. Specifically, when added to nematic liquid crystals, these compounds provide an increase in the positive dielectric anisotropy of the liquid crystal composition.

REFERENCES:
patent: 4017416 (1977-04-01), Inukai et al.
patent: 4198312 (1980-04-01), Sato et al.
patent: 4200580 (1980-04-01), Hsu
patent: 4229315 (1980-10-01), Krause et al.
patent: 4313878 (1982-02-01), Hsu
patent: 4344856 (1982-08-01), Demus et al.
patent: 4348324 (1982-09-01), Demus et al.

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