Optically active compound and liquid crystal composition contain

Details Optically active compound and liquid crystal composition contain Optically active compound and liquid crystal composition contain

1993-07-29

1994-03-01

Wu, Shean

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 544242, 544298, 544318, 544335, 568588, 568631, 568647, C09K 1934, C09K 1952, C07C 4302, C07D23902

Patent

active

052904776

ABSTRACT:
An optically active compound represented by formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having from 3 to 9 carbon atoms; R.sup.2 represents an alkyl group having from 3 to 7 carbon atoms; m and n each represent 1 or 2 provided that they do not simultaneously represent 1; and C.sup.*1 and C.sup.*2, both represent an optically active carbon atom, and a liquid crystal composition containing the same are disclosed. The compound exhibits chiral nematic and smectic phases and are excellent as a chiral dopant for ferroelectric liquid crystal compositions or nematic liquid crystal compositions.

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