Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1991-01-14
1992-11-24
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560 66, 560 84, 560 85, 560125, 2522991, C07C 6976
Patent
active
051664038
ABSTRACT:
An amine derivative having a liquid crystal property over a wide temperature range and a process for production thereof are disclosed, the amine derivative being represented by formula (I) ##STR1## wherein A represents ##STR2## X.sub.1 and X.sub.2, which may be the same or different, each represents ##STR3## Y represents --O-- or ##STR4## R.sub.1 and R.sub.3, which may be the same or different, each represents a straight chain or branched chain alkyl group having 1 to 18 carbon atoms; R.sub.2 represents a hydrogen atom or a methyl group; m and n each represents 0 or 1; and p and q each represents 1 or 2, provided that p and q are 1 when n is 0, and p and q are not 2 at the same time when n is 1.
REFERENCES:
Y. Aihara et al, "Synthesis and Properties of Ferroelectric Liquid Crystal Having Isonipecotic Acid", Liquid Crystals and Ordered Fluids, vol. 4, 1984, pp. 50-51.
K. Sharp, "Ferroelectric Liquid Crystals. Material Properties and Applications", Mol. Cryst. Liq. Cryst., 1988, vol. 165, pp. 439-509.
J. W. Goody et al, "Some Novel Ferroelectric Smectic Liquid Crystals", Bell Laboratories, pp. 1-32.
Inoue Chozo
Kurotaki Ayako
Nagai Kimie
Naijoh Shuichi
Shirane Koro
Killos Paul J.
Showa Denko K.K.
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