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)
• Pyridine Compounds (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10062291

Family Applications (1)

Country Status (14)

• 1973
  • 1973-03-31 GB GB1561373A patent/GB1367592A/en not_active Expired
  • 1973-06-29 AU AU57513/73A patent/AU471034B2/en not_active Expired
  • 1973-07-20 ES ES417091A patent/ES417091A2/es not_active Expired
  • 1973-11-12 AR AR250959A patent/AR199804A1/es active
  • 1973-11-19 JP JP12930873A patent/JPS5427348B2/ja not_active Expired
• 1974
  • 1974-02-08 MX MX74100312U patent/MX3854E/es unknown
  • 1974-02-18 ZA ZA00741055A patent/ZA741055B/xx unknown
  • 1974-02-22 BE BE141273A patent/BE811443R/xx not_active IP Right Cessation
  • 1974-02-25 CH CH260174A patent/CH562798A5/xx not_active IP Right Cessation
  • 1974-02-28 NL NL747402708A patent/NL153184B/xx unknown
  • 1974-03-04 AT AT176474A patent/AT334899B/de not_active IP Right Cessation
  • 1974-03-18 IN IN578/CAL/1971A patent/IN141305B/en unknown
  • 1974-03-27 CA CA196,169A patent/CA1011338A/en not_active Expired
• 1977
  • 1977-12-31 MY MY1977266A patent/MY7700266A/xx unknown

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