HK19997A - Chiral dioxolanes - Google Patents

Chiral dioxolanes

Info

Publication number
HK19997A
HK19997A HK19997A HK19997A HK19997A HK 19997 A HK19997 A HK 19997A HK 19997 A HK19997 A HK 19997A HK 19997 A HK19997 A HK 19997A HK 19997 A HK19997 A HK 19997A
Authority
HK
Hong Kong
Prior art keywords
dioxolanes
chiral
chiral dioxolanes
Prior art date
Application number
HK19997A
Other languages
English (en)
Inventor
Stephen Dr Kelly
Martin Dr Schadt
Original Assignee
Hoffmann La Roche
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
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of HK19997A publication Critical patent/HK19997A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/12—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • 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
    • C09K19/588—Heterocyclic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal Substances (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HK19997A 1990-02-06 1997-02-20 Chiral dioxolanes HK19997A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH37190 1990-02-06
CH334490 1990-10-19

Publications (1)

Publication Number Publication Date
HK19997A true HK19997A (en) 1997-02-20

Family

ID=25684378

Family Applications (1)

Application Number Title Priority Date Filing Date
HK19997A HK19997A (en) 1990-02-06 1997-02-20 Chiral dioxolanes

Country Status (6)

Country Link
US (1) US5637255A (ko)
EP (1) EP0441213B1 (ko)
JP (1) JP2960975B2 (ko)
KR (1) KR100186864B1 (ko)
DE (1) DE59106444D1 (ko)
HK (1) HK19997A (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59208513D1 (de) * 1991-09-26 1997-06-26 Hoffmann La Roche Chirale Oxazoline als Dotierstoffe für flüssigkristalline Gemische
CH683522A5 (de) * 1992-03-13 1994-03-31 Hoffmann La Roche Verfahren zur Herstellung von Diarylen.
US5498367A (en) * 1994-03-30 1996-03-12 Hoffmann-La Roche Inc. Optically active tolanes
DE19819444B4 (de) * 1997-05-07 2009-01-02 Merck Patent Gmbh Dioxolan-Derivate, flüssigkristallines Medium und darauf basierende Anzeigeelemente
US6120859A (en) * 1997-06-02 2000-09-19 Rolic Ag Polymerisable, optically active dioxolane diesters
DE69806381T2 (de) * 1997-06-02 2003-03-06 Rolic Ag, Zug Polymerisierbare optisch wirksame dioxolandiester
DE69909925D1 (de) * 1998-10-02 2003-09-04 Merck Patent Gmbh Chirale Verbindungen
EP0992485B1 (en) * 1998-10-02 2003-07-30 MERCK PATENT GmbH Chiral compounds
JP2000178557A (ja) * 1998-12-14 2000-06-27 Minolta Co Ltd 液晶組成物及び液晶光変調素子
WO2001096494A1 (en) * 2000-06-09 2001-12-20 Kent Displays, Inc. Chiral additives for cholesteric displays
DE10222166A1 (de) * 2002-05-20 2003-12-11 Fraunhofer Ges Forschung Chirale Verbindungen und deren Verwendung
DE102004038131B4 (de) * 2004-08-05 2008-02-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Polymerisierbare oder vernetzbare Dotierstoffe, diese enthaltende flüssigkristalline Zusammensetzung und deren Verwendung
US8574454B2 (en) * 2006-12-22 2013-11-05 Rolic Ag Patternable liquid crystal polymer comprising thio-ether units

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604898A1 (de) * 1986-02-17 1987-08-20 Hoechst Ag Chirale umsetzungsprodukte aus mesogenen molekuelbausteinen und bifunktionell reaktionsfaehigen weinsaeurederivaten und ihre verwendung als dotierstoff in fluessigkristall-phasen
US4873019A (en) * 1986-12-20 1989-10-10 Merck Patent Gesellschaft Mit Beschrankter Haftung Cyclopentane derivatives
DE3713273A1 (de) * 1987-04-18 1988-11-03 Hoechst Ag Verwendung von optisch aktiven 1,3-dioxolan-4-carbonsaeureestern als dotierstoffe in fluessigkristallmischungen, diese enthaltende fluessigkristallmischungen und neue optisch aktive 1,3-dioxolan-4-carbonsaeureester

Also Published As

Publication number Publication date
EP0441213B1 (de) 1995-09-13
JP2960975B2 (ja) 1999-10-12
EP0441213A2 (de) 1991-08-14
DE59106444D1 (de) 1995-10-19
JPH04244077A (ja) 1992-09-01
EP0441213A3 (en) 1991-09-25
US5637255A (en) 1997-06-10
KR910015559A (ko) 1991-09-30
KR100186864B1 (ko) 1999-05-01

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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: 20040128

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)