Optically active compound and liquid crystal composition contain

Details Optically active compound and liquid crystal composition contain Optically active compound and liquid crystal composition contain

1989-07-25

1991-12-17

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 544242, 544298, 544335, 359104, 359105, 359103, C09K 1934, C09K 1952, C07D23902, G02F 113

Patent

active

050733060

ABSTRACT:
An optically active, generally mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sub.1 denotes an alkyl group having 1-18 carbon atoms, R.sub.2 denotes an alkyl group having 1-12 carbon atoms; X denotes a single bond, --O--, ##STR2## Y denotes a single bond, ##STR3## --CH.sub.2 O-- or --OCH.sub.2 --; Z denotes --OCH.sub.2 --, ##STR4## C* denotes an asymmetric carbon atom; k, m and n are respectively 0, 1 or 2 with proviso that k+m+n amounts to 2 or 3; and p is 1 or 2.

REFERENCES:
patent: 4725688 (1988-02-01), Taguchi et al.
patent: 4765924 (1988-08-01), Inoue et al.
patent: 4892393 (1990-01-01), Terashima et al.
patent: 4918213 (1990-04-01), Nohira et al.

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