Lactic acid derivative and liquid crystal composition containing

Details Lactic acid derivative and liquid crystal composition containing Lactic acid derivative and liquid crystal composition containing

1989-09-13

1992-05-19

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25219901, 25219967, 544298, 544335, 560 61, 560 62, 560 65, 560 66, 560 67, 560 75, 560 86, 560103, C09K 1934, C09K 1952, C07D23902, C07C 6976

Patent

active

051146134

ABSTRACT:
An optically active lactic acid derivative represented by the following formula (I): ##STR1## wherein R represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 1 to 18 carbon atoms; C* represents an asymmetric carbon atom; l is 0 or 1; m is 1 or 2; A represents a group selected from the following groups (a) and (b):

REFERENCES:
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patent: 4725688 (1988-02-01), Taguchi et al.
patent: 4744918 (1988-05-01), Heppke et al.
patent: 4775223 (1988-10-01), Yoshinaga et al.
patent: 4812259 (1989-03-01), Yoshinaga et al.
patent: 4980082 (1990-12-01), Ohba et al.

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