Optically active bisaryl compound

Details Optically active bisaryl compound Optically active bisaryl compound

1989-03-20

1991-08-27

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229962, 25229964, C09K 1934, C09K 1932, C09K 1920

Patent

active

050430947

ABSTRACT:
An optically active bisaryl compound represented by the general formula (I): ##STR1## wherein Ar.sub.1 and Ar.sub.2 represent each a phenyl, naphthyl, biphenyl or pyrimidylphenyl group optionally substituted with an alkyl, alkoxy, cyano or cycloalkyl group or a halogen atom, and * represents an asymmetric carbon atom,
which can give a cholesteric phase of a short helical pitch when added to nematic liquid crystals useful as a component of a liquid crystal mixture for a display device.

REFERENCES:
patent: 4400293 (1983-08-01), Romer et al.
patent: 4514045 (1985-04-01), Huffman et al.
patent: 4650600 (1987-03-01), Heppke et al.

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