JPS56164179A - Metadioxane derivative - Google Patents
Metadioxane derivativeInfo
- Publication number
- JPS56164179A JPS56164179A JP6867780A JP6867780A JPS56164179A JP S56164179 A JPS56164179 A JP S56164179A JP 6867780 A JP6867780 A JP 6867780A JP 6867780 A JP6867780 A JP 6867780A JP S56164179 A JPS56164179 A JP S56164179A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- reacted
- give
- liquid crystal
- metadioxane
- 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.)
- Granted
Links
Landscapes
- Liquid Crystal Substances (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Abstract
NEW MATERIAL:A 2,5-substituted metadioxane derivative of formula I (n is 0, 1 or 2; R1 and R2 are H or 1W10C alkyl).
EXAMPLE: 2-(4-n-Pentylcyclohexyl)trans-5-n-butyl-1,3-dioxane.
USE: A material for a liquid crystal, having improved practical performance of temperature range, operating voltage, response characteristics etc., and useful as a constituting component of a stable liquid crystal composition.
PROCESS: A carboxylic acid of formula II is reacted with a halogenating agent, e.g. thionyl chloride, to give an acid chloride, which is then hydrogenated in an inert solvent in the presence of a reducing catalyst to afford an aldehyde of formula III. The resultant aldehyde is then reacted with propanediol in an inert organic solvent, e.g. benzene, in the presence of a catalyst, e.g. aluminum chloride, at atmospheric pressure and the reflux temperature to give the compound of formula I.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6867780A JPS56164179A (en) | 1980-05-23 | 1980-05-23 | Metadioxane derivative |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6867780A JPS56164179A (en) | 1980-05-23 | 1980-05-23 | Metadioxane derivative |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56164179A true JPS56164179A (en) | 1981-12-17 |
JPS642112B2 JPS642112B2 (en) | 1989-01-13 |
Family
ID=13380580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6867780A Granted JPS56164179A (en) | 1980-05-23 | 1980-05-23 | Metadioxane derivative |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56164179A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4486332A (en) * | 1981-08-18 | 1984-12-04 | Veb Werk Fur Fernsehelektronik Im Veb Kombinat Mikroelektronik | Liquid crystalline nematic substances |
US4565425A (en) * | 1983-03-16 | 1986-01-21 | Hoffmann-La Roche Inc. | Liquid crystals |
US4774020A (en) * | 1985-07-04 | 1988-09-27 | Chisso Corporation | Pyrimidinyldioxane derivatives |
WO2007129707A1 (en) * | 2006-05-09 | 2007-11-15 | Mitsubishi Gas Chemical Company, Inc. | 4-(4-alkylcyclohexyl)benzaldehyde |
JP2008031151A (en) * | 2006-05-09 | 2008-02-14 | Mitsubishi Gas Chem Co Inc | 4-(4-alkylcyclohexyl)benzaldehyde |
WO2013191153A1 (en) * | 2012-06-19 | 2013-12-27 | Jnc株式会社 | Optically isotropic liquid crystal composition and optical device |
-
1980
- 1980-05-23 JP JP6867780A patent/JPS56164179A/en active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4486332A (en) * | 1981-08-18 | 1984-12-04 | Veb Werk Fur Fernsehelektronik Im Veb Kombinat Mikroelektronik | Liquid crystalline nematic substances |
US4565425A (en) * | 1983-03-16 | 1986-01-21 | Hoffmann-La Roche Inc. | Liquid crystals |
US4774020A (en) * | 1985-07-04 | 1988-09-27 | Chisso Corporation | Pyrimidinyldioxane derivatives |
WO2007129707A1 (en) * | 2006-05-09 | 2007-11-15 | Mitsubishi Gas Chemical Company, Inc. | 4-(4-alkylcyclohexyl)benzaldehyde |
JP2008031151A (en) * | 2006-05-09 | 2008-02-14 | Mitsubishi Gas Chem Co Inc | 4-(4-alkylcyclohexyl)benzaldehyde |
US7777081B2 (en) | 2006-05-09 | 2010-08-17 | Mitsubishi Gas Chemical Company, Inc. | 4-(4-alkylcyclohexyl)benzaldehyde |
EP2017252A4 (en) * | 2006-05-09 | 2010-12-15 | Mitsubishi Gas Chemical Co | 4-(4-alkylcyclohexyl)benzaldehyde |
WO2013191153A1 (en) * | 2012-06-19 | 2013-12-27 | Jnc株式会社 | Optically isotropic liquid crystal composition and optical device |
US9738831B2 (en) | 2012-06-19 | 2017-08-22 | Jnc Corporation | Optically isotropic liquid crystal composition and optical device |
Also Published As
Publication number | Publication date |
---|---|
JPS642112B2 (en) | 1989-01-13 |
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