HK2579A - Preparation of bipyridilium compounds - Google Patents

Preparation of bipyridilium compounds

Info

Publication number
HK2579A
HK2579A HK25/79A HK2579A HK2579A HK 2579 A HK2579 A HK 2579A HK 25/79 A HK25/79 A HK 25/79A HK 2579 A HK2579 A HK 2579A HK 2579 A HK2579 A HK 2579A
Authority
HK
Hong Kong
Prior art keywords
bipyridilium
compounds
preparation
bipyridilium compounds
Prior art date
Application number
HK25/79A
Inventor
J G Allen
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of HK2579A publication Critical patent/HK2579A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C07D213/22—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing two or more pyridine rings directly linked together, e.g. bipyridyl
    • 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
    • C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
    • C09K9/02—Organic tenebrescent materials
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/1503—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Pyridine Compounds (AREA)
  • Luminescent Compositions (AREA)
HK25/79A 1974-06-21 1979-01-11 Preparation of bipyridilium compounds HK2579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27645/74A GB1514466A (en) 1974-06-21 1974-06-21 Preparation of bipyridilium compounds

Publications (1)

Publication Number Publication Date
HK2579A true HK2579A (en) 1979-01-19

Family

ID=10262960

Family Applications (1)

Application Number Title Priority Date Filing Date
HK25/79A HK2579A (en) 1974-06-21 1979-01-11 Preparation of bipyridilium compounds

Country Status (9)

Country Link
JP (1) JPS5116675A (en)
CA (1) CA1031346A (en)
CH (1) CH613447A5 (en)
DE (1) DE2527638A1 (en)
FR (1) FR2275462A1 (en)
GB (1) GB1514466A (en)
HK (1) HK2579A (en)
IT (1) IT1039183B (en)
NL (1) NL7507383A (en)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
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US7488354B2 (en) 2004-10-14 2009-02-10 L'oreal S.A. Dyeing composition comprising at least one disulphide dye and method of dyeing human keratin fibers using this dye
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Also Published As

Publication number Publication date
NL7507383A (en) 1975-12-23
FR2275462B1 (en) 1979-05-25
DE2527638A1 (en) 1976-05-06
JPS5116675A (en) 1976-02-10
CH613447A5 (en) 1979-09-28
GB1514466A (en) 1978-06-14
FR2275462A1 (en) 1976-01-16
CA1031346A (en) 1978-05-16
IT1039183B (en) 1979-12-10

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