JPS57193455A - 1-(4'-fluorophenyl)-4-alkylpiperidine - Google Patents
1-(4'-fluorophenyl)-4-alkylpiperidineInfo
- Publication number
- JPS57193455A JPS57193455A JP7675081A JP7675081A JPS57193455A JP S57193455 A JPS57193455 A JP S57193455A JP 7675081 A JP7675081 A JP 7675081A JP 7675081 A JP7675081 A JP 7675081A JP S57193455 A JPS57193455 A JP S57193455A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- substance
- fluorophenyl
- alkyl
- compound expressed
- 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
- Hydrogenated Pyridines (AREA)
- Liquid Crystal Substances (AREA)
Abstract
NEW MATERIAL:A 1-(4'-fluorophenyl)-4-alkylpiperidine expressed by formulaI(R is 1W8C alkyl).
EXAMPLE: 1-(4'-Fluorophenyl)-4-methylpiperidine.
USE: A liquid crystal substance for liquid crystal display cells, having the positive dielectric anisotropy, a low viscosity and very quick response. In case R is a straight chain alkyl, the substance is used for electric field effect liquid crystal display elements, e.g. a TN element. In case R is alkyl having an asymmetric carbon atom, the substance is used as a minor additive, having the optical activity and determining the helical direction of the TN element or as a cholesteric liquid crystal material in the phase transfer effect.
PROCESS: A compound expressed by formula II is reacted with a compound expressed by formula III in an inert organic solvent, e.g. benzene or ethyl alcohol, in the presence of a base, e.g. NaOH, under heating to give the compound expressed by formulaI.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7675081A JPS57193455A (en) | 1981-05-22 | 1981-05-22 | 1-(4'-fluorophenyl)-4-alkylpiperidine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7675081A JPS57193455A (en) | 1981-05-22 | 1981-05-22 | 1-(4'-fluorophenyl)-4-alkylpiperidine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57193455A true JPS57193455A (en) | 1982-11-27 |
Family
ID=13614267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7675081A Pending JPS57193455A (en) | 1981-05-22 | 1981-05-22 | 1-(4'-fluorophenyl)-4-alkylpiperidine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57193455A (en) |
-
1981
- 1981-05-22 JP JP7675081A patent/JPS57193455A/en active Pending
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