1-Phenyl-1-propanol derivative

Details 1-Phenyl-1-propanol derivative 1-Phenyl-1-propanol derivative

1989-06-06

1991-12-31

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229961, 25229963, 560 59, 560 65, 560 73, 560102, 558414, 558416, C09K 1912, C07C25500, C07C 6976

Patent

active

050769472

ABSTRACT:
An optically active compound having a high twistability and almost no change in the intrinsic pitch depending on temperature, and a liquid crystal composition comprising the compound are provided, which optically active compound is expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent 1-20C alkyl or alkoxy, halogen or H; l, m and n each represent 0 or 1; and ##STR2## wherein Y represents H, halogen or cyano.

REFERENCES:
patent: 4764619 (1988-08-01), Gunjima et al.
patent: 4911863 (1990-03-01), Sage et al.
patent: 4965018 (1990-10-01), Uchida et al.
patent: 4988458 (1991-01-01), Heppke et al.

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