Optically active ester derivatives, preparation process thereof,

Details Optically active ester derivatives, preparation process thereof, Optically active ester derivatives, preparation process thereof,

1993-05-17

1995-01-31

Tucker, Philip

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229964, 25229967, 560184, 560188, 560228, 560254, 562473, 562474, C09K 1912, C09K 1920, C07C 6966, C07C 6500

Patent

active

053856937

ABSTRACT:
Disclosed herein are optically active carboxylic acid or acid halide compounds of formula III: ##STR1## Wherein R.sub.2 represents an optically active alkyl or alkoxyalkyl group having 3 to 15 carbon atoms optionally substituted by halogen atoms; R' represents a hydroxyl group or a halogen atom; k is 0 or 1; and n represents an integer of 1 to 6.

REFERENCES:
patent: 4837357 (1989-06-01), Merger et al.
patent: 4886619 (1989-12-01), Janulis
patent: 4985590 (1991-01-01), Minai et al.
patent: 5264151 (1993-11-01), Higashi

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