Diketones useful as liquid crystals

Details Diketones useful as liquid crystals Diketones useful as liquid crystals

1980-05-09

1981-10-27

Trousof, Natalie

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

Organic compounds

Oxygen containing

568331, C07C 49813, C07C 49792

Patent

active

042975158

ABSTRACT:
Diketones of the formula ##STR1## wherein R.sub.1 is alkyl, perfluoroalkyl or alkoxy, each of 1-18 carbon atoms; R.sub.2 is alkyl or perfluoroalkyl, each of 1-12 carbon atoms; and X is 1,4-trans-cyclohexylene, 1,4-phenylene or 4,4'-cyclohexylphenyl are liquid crystalline compounds.

REFERENCES:
patent: 2856418 (1958-10-01), Calvin
patent: 3742062 (1973-06-01), Chappelow et al.
patent: 3947375 (1976-03-01), Gray et al.
patent: 4154692 (1979-05-01), Eidenshink et al.
Sato et al., Jap. J. Appl. Phys., vol. 1, pp. 7-13 (1968).
Charles et al., J. Inorg. & Nuclear Chem., vol. 29(3) pp. 715-723 (1967).

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