Ester compounds and liquid crystal compositions containing the s

Details Ester compounds and liquid crystal compositions containing the s Ester compounds and liquid crystal compositions containing the s

1990-10-29

1993-05-18

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 25229961, 25229965, 560 65, 560 76, 560102, C09K 1920, C09K 1934, C09K 1912, C07C 6976

Patent

active

052118797

ABSTRACT:
This invention provides novel ester compounds represented by the following general formula (1): ##STR1## (wherein R.sup.1 and R.sup.2 are alkyl groups and may be the same or not, A and B are selected from a single bond and --COO--, X is selected from ##STR2## optically active bodies thereof and liquid crystal compositions containing at least one of these compounds.

REFERENCES:
patent: 4874545 (1989-10-01), Heppke et al.
patent: 4906402 (1990-03-01), Jackson et al.
patent: 4999130 (1991-03-01), Nohira et al.
patent: 5051527 (1991-09-01), Suzuki et al.
patent: 5116527 (1992-05-01), Coates et al.
Chemical Abstracts, vol. 112, No. 12, Mar. 19, 1990, Columbus, Ohio, USA, S. Shungo et al., "Optically active fluoromethylmalonate esters and liquid crystal compositions".

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