Novel halogen-containing ester compounds, and their intermediate

Details Novel halogen-containing ester compounds, and their intermediate Novel halogen-containing ester compounds, and their intermediate

1989-05-02

1992-03-24

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229967, 560 55, 560 59, 560 61, 560 62, 560 65, 560 73, 560102, 560106, 560107, 560108, 560109, 560111, C09K 1912, C09K 1920, C07C 6976, C07C 6988

Patent

active

050986023

ABSTRACT:
This invention provides a novel halogen-containing ester compound represented by the following general formula (I): ##STR1## (wherein R is an alkyl group, A is selected from a single bond, --O--, --COO-- and --CO--, both of X and Y are halogen atoms or either one of X and Y is a halogen atom and the other is a hydrogen atom, each of m and n is 0 or 1, m+n=0 or 1, each of k and l is an integer of 1 or more, provide k<l), a liquid crystal composition and a light switching element each containing the above compound as well as a novel fluorophenol compound represented by the following general formula (II): ##STR2## (wherein each of k and l is an integer of 1 or more, provided k<l) as an intermediate for the synthesis of the above ester compound and a method of producing the same.

REFERENCES:
patent: 4780242 (1988-10-01), Miyazawa et al.

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