4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzo

Details 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzo 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzo

1986-01-08

1988-07-12

Schwartz, Richard A.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229967, 252582, 544335, C09K 334, G02F 113, C07D23932

Patent

active

047568470

ABSTRACT:
Novel compounds which, when used as a components of liquid crystal compositions, have good compatibility with other components and also have large values of dielectric anisotropy and optical anisotropy, and liquid crystal compositions containing the same are provided, which compounds are 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzoate expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 10 carbon atoms or --(CH.sub.2).sub.m --O--(CH.sub.2).sub.p --CH.sub.3 wherein m and p each represent an integer of 0 to 8 and m+p.ltoreq.8, and X represents a halogen atom.

REFERENCES:
patent: 4311610 (1982-01-01), Zaschke et al.
patent: 4533488 (1985-08-01), Fukui et al.
Scheuble et al., CA, vol. 104, 1986, (Abstract D.E. 3,404,117, Aug. 8, 1985), 104: 59,500.
Krause et al., CA, vol. 106, 1987, (Abstract D.E. 3,515,373, Nov. 6, 1986), 106: 93766.

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