HK49697A - Naphthalenedicarboxylic acid esters - Google Patents
Naphthalenedicarboxylic acid esters Download PDFInfo
- Publication number
- HK49697A HK49697A HK49697A HK49697A HK49697A HK 49697 A HK49697 A HK 49697A HK 49697 A HK49697 A HK 49697A HK 49697 A HK49697 A HK 49697A HK 49697 A HK49697 A HK 49697A
- Authority
- HK
- Hong Kong
- Prior art keywords
- optically active
- compounds
- formula
- alkenyl
- alkyl
- Prior art date
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
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/58—Dopants or charge transfer agents
- C09K19/586—Optically active dopants; chiral dopants
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
-
- 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
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
- C09K19/322—Compounds containing a naphthalene ring or a completely or partially hydrogenated naphthalene ring
-
- 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
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Liquid Crystal Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (8)
- Esters naphtalène-2,6-dicarboxyliques possédant l'activité optique, qui répondent à la formule générale dans laquelle C* représente un atome de carbone chiral et R¹ un groupe alkyle en C2-C12, alcényle en C2-C12, alcoxycarbonyle en C2-C12 ou alcényloxycarbonyle en C3-C12.
- Composés selon revendication 1, caractérisés en ce que R¹ représente un groupe à chaîne droite.
- Composés selon revendication 1 ou 2, caractérisés en ce que R¹ représente un groupe contenant au maximum 7 atomes de carbone.
- Mélange à cristaux liquides contenant un véhicule à cristaux liquides et un ou plusieurs composés de formule I de la revendication 1, possédant l'activité optique.
- Mélange à cristaux liquides selon revendication 4, caractérisé en ce que la proportion des composés de formule I possédant l'activité optique est de 0,1 à 30 % en poids.
- Mélange à cristaux liquides selon revendication 4 ou 5, caractérisé en ce qu'il contient un ou plusieurs composés de formule I possédant l'activité optique et un ou plusieurs composés choisis parmi ceux qui répondent aux formules générales dans lesquelles R² et R⁶ représentent chacun, indépendamment l'un de l'autre, un groupe alkyle ou alcényle ; R³ représente un groupe cyano, alkyle, alcoxy, alcényle, alcényloxy, alcoxyméthyle ou alcényloxyméthyle ; Z¹ représente une liaison covalente simple ou un groupe -CH2CH2-; n est égal à 0 ou 1 ; R⁴ représente un groupe alkyle, alcoxy, alcényle ou alcényloxy ; R⁵ représente un groupe cyano, alkyle, alcoxy, alcényle ou alcényloxy ; le cycle A est un cycle 1,4-phénylène ou trans-1,4-cyclohexylène ; et Z² représente une liaison covalente simple, -COO- ou-CH2CH2-.
- Procédé de préparation des esters naphtalène-2,6-dicarboxyliques de formule I de la revendication 1 possédant l'activité optique, caractérisé en ce que l'on estérifie l'acide naphtalène-2,6-dicarboxylique ou un dérivé approprié de cet acide par un composé, possédant l'activité optique et répondant à la formule générale dans laquelle C* et R¹ ont les significations indiquées dans la revendication 1.
- Utilisation de mélanges à cristaux liquides selon revendication 4 dans des applications optiques ou électrooptiques.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH100990 | 1990-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK49697A true HK49697A (en) | 1997-04-25 |
Family
ID=4200322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK49697A HK49697A (en) | 1990-03-27 | 1997-04-17 | Naphthalenedicarboxylic acid esters |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5230828A (fr) |
| EP (1) | EP0449049B1 (fr) |
| JP (1) | JP2944244B2 (fr) |
| KR (1) | KR100192730B1 (fr) |
| DE (1) | DE59104009D1 (fr) |
| HK (1) | HK49697A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59609705D1 (de) * | 1995-03-03 | 2002-10-31 | Rolic Ag Zug | Photovernetzbare Naphthylderivate |
| KR20020079442A (ko) | 2001-04-13 | 2002-10-19 | 미츠비시 가스 가가쿠 가부시키가이샤 | 광학 활성화합물 및 그것을 함유하는 액정조성물 |
| JP2003012610A (ja) * | 2001-06-26 | 2003-01-15 | Mitsubishi Gas Chem Co Inc | 光学活性化合物およびそれを含む液晶組成物 |
| JP4696549B2 (ja) * | 2004-10-29 | 2011-06-08 | Dic株式会社 | トリフルオロナフタレン誘導体 |
| US8574454B2 (en) * | 2006-12-22 | 2013-11-05 | Rolic Ag | Patternable liquid crystal polymer comprising thio-ether units |
| CN108717239B (zh) * | 2017-11-20 | 2021-02-19 | 山东蓝贝易书信息科技有限公司 | 易热擦除型液晶膜写字板及制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1603075A (en) * | 1977-10-24 | 1981-11-18 | Secr Defence | Liquid crystal esters containing naphthyl groups |
| GB8520715D0 (en) * | 1985-08-19 | 1985-09-25 | Secr Defence | Secondary alcohol derivatives |
| DE3534778A1 (de) * | 1985-09-30 | 1987-04-02 | Hoechst Ag | Chirale ester mesogener carbonsaeuren, ein verfahren zu deren herstellung und ihre verwendung als dotierstoff in fluessigkristall-phasen |
| WO1987005018A2 (fr) * | 1986-02-17 | 1987-08-27 | MERCK Patent Gesellschaft mit beschränkter Haftung | Composes optiquement actifs |
| GB8610349D0 (en) * | 1986-04-28 | 1986-06-04 | Bdh Ltd | 6-hydroxy-2-naphthoic acid derivatives |
| JPH02209990A (ja) * | 1989-02-10 | 1990-08-21 | Dainippon Ink & Chem Inc | 強誘電性液晶組成物 |
-
1991
- 1991-03-15 DE DE59104009T patent/DE59104009D1/de not_active Expired - Fee Related
- 1991-03-15 EP EP91103983A patent/EP0449049B1/fr not_active Expired - Lifetime
- 1991-03-22 US US07/673,545 patent/US5230828A/en not_active Expired - Fee Related
- 1991-03-25 KR KR1019910004703A patent/KR100192730B1/ko not_active Expired - Fee Related
- 1991-03-26 JP JP3084337A patent/JP2944244B2/ja not_active Expired - Fee Related
-
1997
- 1997-04-17 HK HK49697A patent/HK49697A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2944244B2 (ja) | 1999-08-30 |
| EP0449049A3 (en) | 1993-01-20 |
| EP0449049B1 (fr) | 1994-12-28 |
| KR100192730B1 (ko) | 1999-06-15 |
| EP0449049A2 (fr) | 1991-10-02 |
| JPH04221346A (ja) | 1992-08-11 |
| DE59104009D1 (de) | 1995-02-09 |
| US5230828A (en) | 1993-07-27 |
| KR910016659A (ko) | 1991-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4939287A (en) | Chiral esters of mesogenic carboxylic acids | |
| Chandrasekhar et al. | Disc-like mesogens | |
| JPH0366356B2 (fr) | ||
| GB2330139A (en) | Polymerizable chiral dopants based on chiral tetrahydrofuran or hexahydrofuro[3,2-b]furan substituted by at least two mesogenic groups | |
| Weissflog et al. | New banana-shaped mesogens | |
| HK85094A (en) | Liquid-crystal derivatives of phenyl benzoate | |
| Nguyen et al. | New chiral thiobenzoate series with antiferroelectric mesophases | |
| US4754051A (en) | Optically active tolan derivative | |
| JPH01139551A (ja) | 液晶化合物および組成物 | |
| KR960000872B1 (ko) | 광학적 활성 1,3-디옥솔란-4-카복실레이트, 액정 혼합물중 도프로서의 이의 용도 및 이를 함유하는 액정 혼합물 | |
| HK19997A (en) | Chiral dioxolanes | |
| HK206496A (en) | Chiral doping agents for liquid crystals | |
| Carfagna et al. | Discotic mesomorphism of rufigallol hexa-n-alkoxylates | |
| Barberá et al. | Strict steric requirements for the formation of helical mesophases consisting of H-bonded supramolecules | |
| HK147896A (en) | Optically active diester | |
| US5230828A (en) | Naphthalenedicarboxylic acid esters | |
| JPS59118744A (ja) | 液晶性物質及び液晶組成物 | |
| Xia et al. | Optically active mesogenic triphenylenedicarboxyimides: Effects of axially connected aromatic ring at the stereogenic center on liquid crystal and self-assembly properties | |
| Walz et al. | Structural Arrangements of the Mesogenic Compounds 4-Ethyl-4′-(4 ″-pentylcyclohexyl) biphenyl and 4-Ethyl-2 ‘-fluoro-4’-(4 ″-pentylcyclo-hexyl) biphenyl (BCH's) in the Crystalline State | |
| HK176196A (en) | Chiral dioxanes as components of liquid crystal mixtures | |
| JP2898703B2 (ja) | 光学活性オキサゾリン化合物及びそれを含む液晶組成物 | |
| HK175696A (en) | Chiral piperazine derivatives | |
| Ayub et al. | Liquid crystals with axially chiral 3, 3′-dinitro-2, 2′, 6, 6′-tetramethylbiphenyl cores: the lateral shielding effect of bicyclo [2.2. 2] octane-1-carboxylate terminal chains | |
| Sakashita et al. | Stereochemical studies of optically active 2-hydroxy-5-alkyl-δ-valerolactone derivatives as chiral dopant for ferroelectric liquid crystals | |
| Yagi et al. | Homohelicity-enriched zinc bilinone dimers with chiral aliphatic spacers. Synthesis and application to chiral induction of a nematic liquid crystal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20040315 |
|
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |