Optically active tetrahydropyran derivative, liquid crystal comp

Details Optically active tetrahydropyran derivative, liquid crystal comp Optically active tetrahydropyran derivative, liquid crystal comp

1995-04-03

1997-01-21

Wu, Shean C.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 549356, 549416, 556445, 556482, 556489, 349182, C09K 1934, G02F 113, C07D30900, C07F 704

Patent

active

055956840

ABSTRACT:
An optically active tetrahydropyran derivative represented by one of the following general formulae, a liquid crystal composition containing the derivative, and a liquid crystal device containing the composition are disclosed. The optically active tetrahydropyran derivative is a novel compound which is chemically stable, causes no coloring, has excellent optical stability, and shows a large spontaneous polarization and a quick response. The optically active tetrahydropyran derivative can show a more excellent quick response when it is used in a composition, and is useful as a component in a ferroelectric liquid crystal which induces a large spontaneous polarization. ##STR1##

REFERENCES:
patent: 5296616 (1994-03-01), Namekawa et al.
patent: 5368771 (1994-11-01), Namekawa et al.
patent: 5437814 (1995-08-01), Koden et al.
patent: 5443755 (1995-08-01), Namekawa et al.
CA 119:203295, 1993.
CA 123:242632, 1995.

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