Optically active compound having XI-valerolactone ring and liqui

Details Optically active compound having XI-valerolactone ring and liqui Optically active compound having XI-valerolactone ring and liqui

1990-01-16

1991-09-03

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229965, 25229966, 25229967, 549292, 549293, 544298, 544335, C09K 1934, C07D30930, C07D23902

Patent

active

050452282

ABSTRACT:
An optically active compound having a .delta.-valerolactone ring which is a ferroelectric liquid crystal and is represented by the following general formula (I): ##STR1## wherein m is an integer of from 1 to 8, Z is a group represented by the following formula: ##STR2## in which each of l and k is a number of 1 or 2 and l and k satisfy the requirement of 2.ltoreq.(l+k).ltoreq.3,

REFERENCES:
patent: 4818431 (1989-04-01), Eidenschink et al.
patent: 4909957 (1990-03-01), Sakaguchi

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