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GB2075016B - Pyridinium salts - Google Patents

Pyridinium salts

Info

Publication number
GB2075016B
GB2075016B GB8112786A GB8112786A GB2075016B GB 2075016 B GB2075016 B GB 2075016B GB 8112786 A GB8112786 A GB 8112786A GB 8112786 A GB8112786 A GB 8112786A GB 2075016 B GB2075016 B GB 2075016B
Authority
GB
United Kingdom
Prior art keywords
pyridinium salts
pyridinium
salts
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
Application number
GB8112786A
Other versions
GB2075016A (en
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.)
John Wyeth and Brother Ltd
Original Assignee
John Wyeth and Brother 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 John Wyeth and Brother Ltd filed Critical John Wyeth and Brother Ltd
Priority to GB8112786A priority Critical patent/GB2075016B/en
Publication of GB2075016A publication Critical patent/GB2075016A/en
Application granted granted Critical
Publication of GB2075016B publication Critical patent/GB2075016B/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D417/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB8112786A 1980-04-30 1981-04-24 Pyridinium salts Expired GB2075016B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8112786A GB2075016B (en) 1980-04-30 1981-04-24 Pyridinium salts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8014281 1980-04-30
GB8112786A GB2075016B (en) 1980-04-30 1981-04-24 Pyridinium salts

Publications (2)

Publication Number Publication Date
GB2075016A GB2075016A (en) 1981-11-11
GB2075016B true GB2075016B (en) 1984-02-01

Family

ID=26275374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8112786A Expired GB2075016B (en) 1980-04-30 1981-04-24 Pyridinium salts

Country Status (1)

Country Link
GB (1) GB2075016B (en)

Also Published As

Publication number Publication date
GB2075016A (en) 1981-11-11

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010423