4-Fluorobiphenyl derivatives, their preparation, and dielectrics

Details 4-Fluorobiphenyl derivatives, their preparation, and dielectrics 4-Fluorobiphenyl derivatives, their preparation, and dielectrics

1982-12-27

1984-09-25

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 25229965, 350350R, 560 1, 560 61, 560 64, 560 72, 560 73, 560102, 560108, 560126, C09K 334, G02F 113, C07C 6140, C07C 6234, C07C 6372, C07C 6977, C07C 6524

Patent

active

044734875

ABSTRACT:
4-Fluorobiphenyl derivatives of the formula (I) ##STR1## wherein X is --CO--O-- or --O--CO--; Z is 1,4-phenylene or 1,4-cyclohexylene; and R is alkyl, alkoxy or alkanoyloxy, each of 1 to 8 atoms, are valuable components of liquid-crystalline dielectrics for electro-optical applications.

REFERENCES:
patent: 4065489 (1977-12-01), Steinstrasser et al.
patent: 4113647 (1978-09-01), Coates et al.
patent: 4340498 (1982-07-01), Sugimori et al.
patent: 4398803 (1983-08-01), Pohl et al.
patent: 4399298 (1983-08-01), Sugimori et al.
patent: 4405488 (1983-09-01), Sugimori et al.
patent: 4415470 (1983-11-01), Eidenschink et al.
Cas Registry Handbook, Number Section; RN 71729-62-9, [1,1'--Biphenyl]--4--Carboxylic Acid, 4'--Fluoro--,4--Propoxyphenyl Ester (1979 Suppl.).
Coates et al., Mol. Cryst. Liq. Cryst., vol. 37, pp. 249-262 (1976).

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