Optically active alkanoyloxy 2,5-diphenyl pyrimidine and liquid

Details Optically active alkanoyloxy 2,5-diphenyl pyrimidine and liquid Optically active alkanoyloxy 2,5-diphenyl pyrimidine and liquid

1988-10-20

1990-02-13

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 350350R, 350350S, 544335, G02F 113, C09K 1934, C07D23902

Patent

active

049004735

ABSTRACT:
The present invention provides new optically active 2,5-diphenyl pyrimidine derivatives, optically active liquid crystal compositions containing the derivatives and electro optical elements comprising the compositions.
The derivatives have the following general formula: ##STR1## wherein R indicates an alkyl or alkoxy group having 2-20 carbon atoms and R* indicates an optically active alkyl group having 4-20 carbon atoms.

REFERENCES:
patent: 4725688 (1988-02-01), Taguchi et al.
patent: 4744918 (1988-05-01), Heppke et al.
patent: 4764636 (1988-08-01), Sasaki et al.
patent: 4818430 (1989-04-01), Saito et al.
patent: 4820839 (1989-04-01), Krause et al.
patent: 4834904 (1989-05-01), Krause et al.

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