Alkenyloxyphenylpyrimidine derivatives and liquid crystalline mi

Details Alkenyloxyphenylpyrimidine derivatives and liquid crystalline mi Alkenyloxyphenylpyrimidine derivatives and liquid crystalline mi

1992-06-09

1993-08-10

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522991, 544298, C09K 1934, C07D23902

Patent

active

052346226

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sup.1 signifies a straight-chain alkyl group with 7 to 10 carbon atoms; R.sup.2 represents a straight-chain alkyl group with 1 to 8 carbon atoms; and n signifies either 1, 2 or 3, their preparation, liquid crystalline mixtures which contain these compounds and their use for electro-optical purposes.

REFERENCES:
patent: 5013476 (1991-05-01), Boller et al.
patent: 5043093 (1991-08-01), Krause et al.
patent: 5064566 (1991-11-01), Hopf et al.
patent: 5071589 (1991-12-01), Dubel et al.
Oral Presentation at the 14th International Liquid Crystal conference on Jun. 21-26, 1992 in Pisa, Italy: 2-(4-alkenyloxy phenyl)5-alkylpyrimidines: the relationship between position and nature (E/Z) of the double bond and transition temperatures by S. Kelly.
Derwent Abstract #87-207017/30 to DE 3,601,452.
Derwent Abstract #89-130804/18 to DE 3,731,638.

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