Optically active 2-biphenylpyrimidine derivative and liquid crys

Details Optically active 2-biphenylpyrimidine derivative and liquid crys Optically active 2-biphenylpyrimidine derivative and liquid crys

1990-10-18

1991-10-22

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 2522996, 544298, C09K 1934

Patent

active

050593404

ABSTRACT:
An optically active compound having a large spontaneous polarization value and capable of affording a composition exhibiting a suitable ferroelectric liquid crystal temperature range and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein either one of R.sup.1 and R.sup.2 represents an alkyl group or an alkoxy group each of 1 to 20 carbon atoms and another thereof represents an optically active group.

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Sato, S., et al., SID International Display Research Conference, pp. 107-110 (Oct. 4-6, 1988).

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