Cis-1,4-substituted 2-butene derivative

Details Cis-1,4-substituted 2-butene derivative Cis-1,4-substituted 2-butene derivative

1993-04-01

1995-03-28

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522996, 2522995, 558411, 558425, C09K 1930, C09K 1912, C09K 1954, C07C25500

Patent

active

054014344

ABSTRACT:
A novel liquid crystal compound having an intermediate group of a cis-1,4-substituted 2-butenyl group, low viscosity and a broad mesomorphic temperature range is provided, which compound is expressed by the following formula: ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms, n represents 1 or 2, X represents a hydrogen atom, an alkyl group, a halogen atom, a cyano group, an alkoxy group, a methyl group substituted by 1 to 3 halogen atom(s) or a trihaloalkoxy group, and Y and Y' each independently represents a hydrogen atom, or a halogen atom.

REFERENCES:
patent: 5032312 (1991-07-01), Kelly
patent: 5055220 (1991-10-01), Uchida et al.
patent: 5234622 (1993-08-01), Funfschilling et al.

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