Optically active compound, process for producing same and liquid

Details Optically active compound, process for producing same and liquid Optically active compound, process for producing same and liquid

1987-10-27

1989-10-10

Gron, Teddy S.

Compositions

Liquid crystal compositions

2522996, 25229961, 25229963, 25229964, 25229965, 25229966, 25229967, 25229968, 350350R, 350350S, 558 56, 558 58, 560 11, 560 59, 560 60, 560 64, 560 66, 560 67, 560102, 560111, 560130, 560105, 560141, 560145, 560 55, 568639, 568630, 568642, 568655, 568656, G02F 113, C09K 1952, C07C 6976, C07C 6900, C07G 4100, C07G 4302

Patent

active

048730181

ABSTRACT:
An optically active 2-fluoro-1-alkanol compound represented by the formula (Ia): ##STR1## wherein R is an alkyl group having 1-16 carbon atoms, and C* is an asymmetric carbon atom; and an optically active compound derived from the fluoroalkanol and represented by the formula (Ib): ##STR2## wherein R and C* are the same as above, m is 1 or 2, n is 0 or 1, and A is a releasable substitutent. Because of the fluorine atom directly attached to an asymmetric carbon atom, these compounds are particularly effective in increasing a spontaneous polarization, improving a electric field responsive characteristic of a liquid crystal composition, and controlling the liquid crystal state.

REFERENCES:
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patent: 4728458 (1988-03-01), Higuchi et al.
patent: 4732699 (1988-03-01), Higuchi et al.
Goodby, J. W. et al., J. Am. Chem. Soc., vol. 108, pp. 4729-4735 (Aug. 6, 1986).

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