New Liquid Crystalline Compounds Based on Thiophene

DOI: 10.1246/cl.1992.613

Source and publish data:

Chemistry Letters p. 613 - 616 (1992)

Update date:2022-08-04

Topics:

Authors:

Brettle, Roger

Dunmur, David A.

Marson, Charles M.

Pinol, Milagros

Toriyama, Kazuhisa

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Article abstract of DOI:10.1246/cl.1992.613

A homologous series of 2-alkyl-5-(4'-cyanophenyl)thiophenes has been prepared and shown to have improved properties for use in liquid crystal displays.The thiophene ring is prepared from a 1-(4'-bromophenyl)-1,4-dioxoalkane, constructed using the Stetter procedure, by the action of Lawessons reagent, and the cyano-group is finally introduced using a copper(I)-mediated exchange reaction.

Full text of DOI:10.1246/cl.1992.613

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