Optically active pyridylethanol derivative

Details Optically active pyridylethanol derivative Optically active pyridylethanol derivative

1989-03-21

1990-10-23

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229963, 2522995, 25229966, 544296, 544298, 544316, 544333, 546342, 546339, C09K 1934, C07D40300, C07D21170

Patent

active

049650181

ABSTRACT:
A novel optically active pyridylethanol derivative having a high twistability and also a superior temperature characteristic is provided, which derivative is expressed by the formula ##STR1## wherein R is an alkyl group of alkoxy group each of 1 to 20 carbon atoms or hydrogen atom, m and n each represent 0 or 1, ##STR2## each independently represent ##STR3## wherein Y is any one of H, halogen atom or CN and ##STR4## is a pyridine ring the N atom of which may be present at an optionally chosen site thereof.

REFERENCES:
patent: 4744918 (1988-05-01), Heppke et al.
patent: 4764619 (1988-08-01), Gunjima et al.
Takeshita, M. et al., Heterocycles, vol. 26, No. 12, pp. 3051-3054 (1987).

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