DE1229533B - Verfahren zur Herstellung von Pyridinderivaten - Google Patents

Verfahren zur Herstellung von Pyridinderivaten

Info

Publication number
DE1229533B
DE1229533B DEH52045A DEH0052045A DE1229533B DE 1229533 B DE1229533 B DE 1229533B DE H52045 A DEH52045 A DE H52045A DE H0052045 A DEH0052045 A DE H0052045A DE 1229533 B DE1229533 B DE 1229533B
Authority
DE
Germany
Prior art keywords
dihydro
dioxepin
methyl
nitrobenzene
pyridoxine
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.)
Pending
Application number
DEH52045A
Other languages
German (de)
English (en)
Inventor
Dr John Mervyn Osbond
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of DE1229533B publication Critical patent/DE1229533B/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • 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
    • C07D213/60—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 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
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/65—One oxygen atom attached in position 3 or 5
    • C07D213/66—One oxygen atom attached in position 3 or 5 having in position 3 an oxygen atom and in each of the positions 4 and 5 a carbon atom bound to an oxygen, sulphur, or nitrogen atom, e.g. pyridoxal
    • C07D213/67—2-Methyl-3-hydroxy-4,5-bis(hydroxy-methyl)pyridine, i.e. pyridoxine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Pyridine Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DEH52045A 1963-03-21 1964-03-13 Verfahren zur Herstellung von Pyridinderivaten Pending DE1229533B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1116763A GB1034483A (en) 1963-03-21 1963-03-21 A process for the manufacture of pyridine derivatives

Publications (1)

Publication Number Publication Date
DE1229533B true DE1229533B (de) 1966-12-01

Family

ID=9981248

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH52045A Pending DE1229533B (de) 1963-03-21 1964-03-13 Verfahren zur Herstellung von Pyridinderivaten

Country Status (11)

Country Link
BE (1) BE645469A (ko)
BR (1) BR6457464D0 (ko)
CH (1) CH451136A (ko)
CS (1) CS167215B2 (ko)
DE (1) DE1229533B (ko)
DK (1) DK115328B (ko)
ES (1) ES297819A1 (ko)
GB (1) GB1034483A (ko)
NL (2) NL6403004A (ko)
NO (1) NO121661B (ko)
SE (1) SE323677B (ko)

Also Published As

Publication number Publication date
SE323677B (ko) 1970-05-11
NL6403004A (ko) 1964-09-22
DK115328B (da) 1969-09-29
CS167215B2 (ko) 1976-04-29
BR6457464D0 (pt) 1973-07-17
NL127791C (ko)
CH451136A (de) 1968-05-15
GB1034483A (en) 1966-06-29
BE645469A (ko) 1964-09-21
ES297819A1 (es) 1964-09-01
NO121661B (ko) 1971-03-29

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