Liquid crystalline compounds and process for production thereof

Details Liquid crystalline compounds and process for production thereof Liquid crystalline compounds and process for production thereof

1988-09-07

1990-03-20

Terapane, John F.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 544298, 544335, 549322, 549323, 549508, 549560, C09K 1934, C07D30712, C07D23934, C07D23926

Patent

active

049099574

ABSTRACT:
Liquid crystalline compounds having an optically active .gamma.-lactone ring of the formula: ##STR1## wherein R.sup.1 is a group selected from the group consisting of ##STR2## n and e are each independently 0 or 1; R.sup.3 is an alkyl group having 1 to 15 carbon atoms; R.sup.2 is a group of the formula: --(CO).sub.m --R.sup.4 ; m is 0 or 1; R.sup.4 is hydrogen atom or an alkyl having 1 to 15 carbon atoms; and the symbol * is an asymmetric carbon atom, and an intermediate thereof, and process for the production of the same.

REFERENCES:
patent: 4818431 (1989-04-01), Eidenschink et al.

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