Liquid crystal thiol compounds

Details Liquid crystal thiol compounds Liquid crystal thiol compounds

1994-06-14

1996-03-12

Lovering, Richard D.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 25229961, 359103, C09K 1906, C09K 1912, C09K 1934, G02F 113

Patent

active

054983665

ABSTRACT:
##STR1## Compounds of formula (I) where R is C.sub.1-15 alkyl, X is hydrogen, fluorine or chlorine, m and n are independently selected 1 or 0, W is C.sub.1-15 alkyl or alkoxy, CN or halogen, rings A and B are independently selected from phenyl, laterally fluoro- or chloro- substituted phenyl, transcyclohexyl, pyridyl, pyrimidyl or dioxanyl. Preferred embodiments have R=C.sub.3-8 and where W is alkyl or alkoxy then it is also preferable that W=C.sub.3-8. Where m=0, then preferably W=CN, and where m=1, then preferably W=alkyl.

REFERENCES:
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patent: 4943385 (1990-07-01), Inoue et al.
patent: 5043093 (1991-08-01), Krause et al.
patent: 5068053 (1991-11-01), Reiffenrath et al.
patent: 5124068 (1992-06-01), Krause et al.
patent: 5128061 (1992-07-01), Hsu et al.
J. Phys. Chem. 1990, 94, 1224-1226 Khundkar et al "Solvent-Tuned Intramolecular Charge-Recombination Rates in a Conjugated Donor-Acceptor Molecule".
J. Organometallic Chemistry, 390 (1990) 389-398 Amatore et al "Efficient palladium-catalyzed synthesis . . . ".
Demus et al, Flussige Kristalle in Tabellen II, pp. 373-388, 1984.

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