2-substituted-alkyl ether and liquid crystal composition

Details 2-substituted-alkyl ether and liquid crystal composition 2-substituted-alkyl ether and liquid crystal composition

1999-04-19

2000-11-14

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

546339, C09K 1934, C07D21170

Patent

active

06146547&

ABSTRACT:
A 2-substituted-alkyl ether having an optically active group and being useful as a component of ferroelectric liquid crystal compositions, and a liquid crystal composition containing the same are provided, which 2-substituted-alkyl ether is expressed by the formula ##STR1## wherein R.sup.1 represents a linear or branched chain alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl of 1 to 18 C; R.sup.2 represents a linear or branched alkyl of 2 to 15 C; ##STR2## and ##STR3## each independently represents ##STR4## wherein Y represents cyano, halogen, methyl or methoxy; and X represents --OR.sup.3, ##STR5## F, Cl or Br wherein R.sup.3 represents a linear or branched alkyl group of 1 to 10 C or H; and * indicates asymmetric C.

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