JPS5511529A - Liquid crystal compound - Google Patents
Liquid crystal compoundInfo
- Publication number
- JPS5511529A JPS5511529A JP8398378A JP8398378A JPS5511529A JP S5511529 A JPS5511529 A JP S5511529A JP 8398378 A JP8398378 A JP 8398378A JP 8398378 A JP8398378 A JP 8398378A JP S5511529 A JPS5511529 A JP S5511529A
- Authority
- JP
- Japan
- Prior art keywords
- derivative
- liquid crystal
- give
- formula
- nitrile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Liquid Crystal Substances (AREA)
Abstract
NEW MATERIAL:A phenylcinnamoyl nitrile derivative of the formula (R is 1W8C alkyl, or alkoxy group).
EXAMPLE: p-n-Pentylphenyl-p'-trans-β-cinnamoyl nitrile.
USE: Constituents of liquid crystal mixtures used for producing photoelectric display units, particularly operating on the Schadt-Helfrich effect of twisted nematic (TN) elements.
PROCESS: The cyano group of a p-cyano-p'-alkylbiphenyl is changed into a formyl group, and reacted with malonic acid in the presence of pyridine to give an p-alkylphenyl-p'-β-cinnamic acid, which is converted into a cinnamamide derivative via a cinnamic acid chloride derivative. The cinnamamide derivative is dehydrated with tosyl chloride to give the objective compound of formula I.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8398378A JPS5511529A (en) | 1978-07-12 | 1978-07-12 | Liquid crystal compound |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8398378A JPS5511529A (en) | 1978-07-12 | 1978-07-12 | Liquid crystal compound |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5511529A true JPS5511529A (en) | 1980-01-26 |
Family
ID=13817759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8398378A Pending JPS5511529A (en) | 1978-07-12 | 1978-07-12 | Liquid crystal compound |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5511529A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999005097A1 (en) * | 1997-07-24 | 1999-02-04 | Merck Patent Gmbh | Liquid crystal propene or propenyl nitrile derivatives |
-
1978
- 1978-07-12 JP JP8398378A patent/JPS5511529A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999005097A1 (en) * | 1997-07-24 | 1999-02-04 | Merck Patent Gmbh | Liquid crystal propene or propenyl nitrile derivatives |
US6444279B1 (en) | 1997-07-24 | 2002-09-03 | Merck Patent Gmbh | Liquid crystal propene or propenyl nitrile derivatives |
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