GB2218419B - Crystalline liquid esters of 3 beta-hydroxy-5-alpha-cholestan-6-one for mixtures having ferro electric properties and a method of producing the said compounds - Google Patents

Crystalline liquid esters of 3 beta-hydroxy-5-alpha-cholestan-6-one for mixtures having ferro electric properties and a method of producing the said compounds

Info

Publication number
GB2218419B
GB2218419B GB8906801A GB8906801A GB2218419B GB 2218419 B GB2218419 B GB 2218419B GB 8906801 A GB8906801 A GB 8906801A GB 8906801 A GB8906801 A GB 8906801A GB 2218419 B GB2218419 B GB 2218419B
Authority
GB
United Kingdom
Prior art keywords
cholestan
beta
alpha
hydroxy
mixtures
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.)
Expired - Lifetime
Application number
GB8906801A
Other versions
GB8906801D0 (en
GB2218419A (en
Inventor
Dietrich Demus
Horst Zaschke
Hans-Matthias Vorbrodt
Gunter Adam
Brita Linstrom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB
Werk fuer Fernsehelektronik GmbH
Original Assignee
Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB
Werk fuer Fernsehelektronik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DD31466788A external-priority patent/DD270535A1/en
Priority claimed from DD31466888A external-priority patent/DD272094A1/en
Application filed by Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB, Werk fuer Fernsehelektronik GmbH filed Critical Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB
Publication of GB8906801D0 publication Critical patent/GB8906801D0/en
Publication of GB2218419A publication Critical patent/GB2218419A/en
Application granted granted Critical
Publication of GB2218419B publication Critical patent/GB2218419B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0225—Ferroelectric
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J43/00—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J43/003—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton not condensed
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/36—Steroidal liquid crystal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Steroid Compounds (AREA)
  • Liquid Crystal Substances (AREA)
GB8906801A 1988-04-13 1989-03-23 Crystalline liquid esters of 3 beta-hydroxy-5-alpha-cholestan-6-one for mixtures having ferro electric properties and a method of producing the said compounds Expired - Lifetime GB2218419B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD31466788A DD270535A1 (en) 1988-04-13 1988-04-13 CRYSTALLINE-LIQUID MIXTURES WITH FERROELECTRIC PROPERTIES
DD31466888A DD272094A1 (en) 1988-04-13 1988-04-13 PROCESS FOR PREPARING CRYSTALLINE-FLUID ESTER OF 3 BETA-HYDROXY-5 ALPHA-CHOLESTAN-6-ON

Publications (3)

Publication Number Publication Date
GB8906801D0 GB8906801D0 (en) 1989-05-10
GB2218419A GB2218419A (en) 1989-11-15
GB2218419B true GB2218419B (en) 1992-03-25

Family

ID=25748199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906801A Expired - Lifetime GB2218419B (en) 1988-04-13 1989-03-23 Crystalline liquid esters of 3 beta-hydroxy-5-alpha-cholestan-6-one for mixtures having ferro electric properties and a method of producing the said compounds

Country Status (4)

Country Link
JP (1) JPH01311098A (en)
CH (1) CH676986A5 (en)
DE (1) DE3905124A1 (en)
GB (1) GB2218419B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766061A (en) * 1971-09-20 1973-10-16 Du Pont Decorative iridescent compositions
US4212815A (en) * 1978-07-05 1980-07-15 E. I. Du Pont De Nemours And Company Preparation of vinylene fluorides

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766061A (en) * 1971-09-20 1973-10-16 Du Pont Decorative iridescent compositions
GB1349050A (en) * 1971-09-20 1974-03-27 Du Pont Decorative iridescent compositions
DE2245924A1 (en) * 1971-09-20 1974-04-04 Du Pont Iridescent cholesterol ester compsn - for use as decorative coating for furniture and artificial fingernails
US4212815A (en) * 1978-07-05 1980-07-15 E. I. Du Pont De Nemours And Company Preparation of vinylene fluorides

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CA 108(15): 132156 P *
CA 95 (11): 98143 H *

Also Published As

Publication number Publication date
GB8906801D0 (en) 1989-05-10
GB2218419A (en) 1989-11-15
DE3905124A1 (en) 1989-10-26
JPH01311098A (en) 1989-12-15
CH676986A5 (en) 1991-03-28

Similar Documents

Publication Publication Date Title
KR0142109B1 (en) Production of 2:3:-dideoxy-2:3:-dihydronucleosides
HU892989D0 (en) Process for the preparation of compounds causing cytodifferentiation
RU1769757C (en) Method of 1
GB8816444D0 (en) Threaded fasteners & method of making same
IL90366A0 (en) Process for the manufacture of naphthothiazepinones
EP0333468A3 (en) Process for production of ester compounds
HRP931429B1 (en) Process for the preparation of amlodipin benzensulphonate
HU9402622D0 (en) A process for the preparation of 1-substituted-5(44)-tetrazolinones
HU895849D0 (en) Process for the preparation of 1-threonine
EP0365970A3 (en) Process for the preparation of cyclopropanamide
GB2222404B (en) Organogermanium compounds and process for producing the same
GB2218419B (en) Crystalline liquid esters of 3 beta-hydroxy-5-alpha-cholestan-6-one for mixtures having ferro electric properties and a method of producing the said compounds
GR910300018T1 (en) Process for the production of alpha-6-deoxytetracyclines
IL89511A0 (en) Sialosyl glyceride and process for producing the same
DE3569521D1 (en) Process for the preparation of cinnamate ester
HU9200117D0 (en) Process for the production of 3'-fluor-pirimidine nucleozides
GB2217707B (en) Process for the preparation of acryloyloxyethoxymethyl-melamines
GB2219294B (en) Process for the preparation of methyl 3-aminocrotonate
GB2224026B (en) Process for the preparation of 3-phenoxybenzylalcohol
HU907632D0 (en) Process for producing tetra-o-acetyl-d-o-glycosides of 4'-desmethyl-4'-alkoxy-carbonyl-epidophyllotoxines
GB8816239D0 (en) Production of unsaturated compounds
EP0373919A3 (en) Process for the preparation of 2'-deoxy-beta-adenosine
HRP940828A2 (en) Process for the preparation of 5-chloro-3-chlorosulphonyl-2-thiopene-carboxylic esters
HRP940502A2 (en) Process for the preparation of new substituted alkanediphosphonic acids
EP0339968A3 (en) Process for the production of a potentiometer

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930323