Meterocyclic compounds

Details Meterocyclic compounds Meterocyclic compounds

1981-01-30

1983-06-21

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing pleochroic dye

25229961, 2522995, 350350R, 350349, C09K 334, G02F 113

Patent

active

043893295

ABSTRACT:
Pyrimidine derivatives of the formula ##STR1## wherein at least one of rings A and B is a trans-1,4-disubstituted cyclohexane ring and the other, optionally, may be aromatic and R is straight-chain alkyl or alkoxy of 1 to 10 carbon atoms or a branched-chain alkyl group of the formula C.sub.2 H.sub.5 --CH(CH.sub.3)--(CH.sub.2).sub.n -- wherein n is 1, 2 or 3, are described. Processes for the preparation of the compounds of formula I as well as their uses in liquid crystalline mixtures are also described.

REFERENCES:
patent: 3997536 (1976-12-01), Boller et al.
patent: 4062798 (1977-12-01), Boller et al.
patent: 4130502 (1978-12-01), Eidenschink et al.
patent: 4145114 (1979-03-01), Coates et al.
patent: 4154697 (1979-05-01), Eidenschink
patent: 4180475 (1979-12-01), Schadt et al.
patent: 4181625 (1980-01-01), Eidenschink et al.
patent: 4198130 (1980-04-01), Boller et al.
patent: 4273929 (1981-06-01), Boller et al.
Cox, R. J., Mol. Cryst. Liq. Cryst., vol. 55, pp. 1-32, (1979).
Constant, J., et al., "Photostable Anthraquinone Pleochroic Dyes", presented at 7th Int. L. C. Conf., Bordeaux, France (Aug. 1978).
Demus, D., et al., Mol. Cryst. Liq. Cryst., vol. 15, pp. 161-174, (1971).
Gray, C. W. et al.; Mol. Cryst., Liq. Cryst., vol. 53, pp. 147-166, (1979).

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