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
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P25/00—Drugs for disorders of the nervous system
  • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• • 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
• • Y—GENERAL 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
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P20/00—Technologies relating to chemical industry
  • Y02P20/50—Improvements relating to the production of bulk chemicals
  • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Biomedical Technology (AREA)
• Neurology (AREA)
• Neurosurgery (AREA)
• General Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Psychiatry (AREA)
• Medicinal Chemistry (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Hospice & Palliative Care (AREA)
• Pharmacology & Pharmacy (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Pyridine Compounds (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=25755557

Family Applications (1)

Country Status (10)

Families Citing this family (8)

Family Cites Families (1)

• 1967
  • 1967-06-08 DE DE1695428A patent/DE1695428C3/de not_active Expired
• 1968
  • 1968-04-18 DE DE19681770222 patent/DE1770222A1/de active Pending
  • 1968-05-28 CH CH783768A patent/CH554863A/de not_active IP Right Cessation
  • 1968-05-28 CH CH1609470A patent/CH565764A5/xx not_active IP Right Cessation
  • 1968-05-28 CH CH1609270A patent/CH551972A/xx not_active IP Right Cessation
  • 1968-05-28 CH CH1609570A patent/CH552590A/xx not_active IP Right Cessation
  • 1968-05-28 CH CH1609370A patent/CH551973A/xx not_active IP Right Cessation
  • 1968-05-28 CH CH783768A patent/CH560191A5/xx not_active IP Right Cessation
  • 1968-05-28 CH CH391573A patent/CH555827A/xx not_active IP Right Cessation
  • 1968-05-28 CH CH787368D patent/CH560192A5/xx not_active IP Right Cessation
  • 1968-05-28 CH CH391773A patent/CH565765A5/xx not_active IP Right Cessation
  • 1968-05-29 AT AT02886/69A patent/AT278792B/de not_active IP Right Cessation
  • 1968-05-29 AT AT02887/69A patent/AT278793B/de not_active IP Right Cessation
  • 1968-06-05 GB GB26794/68A patent/GB1156769A/en not_active Expired
  • 1968-06-06 JP JP43038393A patent/JPS5250793B1/ja active Pending
  • 1968-06-07 NL NL6808029.A patent/NL155730B/xx not_active IP Right Cessation
  • 1968-06-07 US US735182A patent/US3625949A/en not_active Expired - Lifetime
  • 1968-06-07 SE SE07683/68A patent/SE346995B/xx unknown
  • 1968-06-07 ES ES354787A patent/ES354787A1/es not_active Expired
  • 1968-06-07 FR FR154203A patent/FR7678M/fr not_active Expired
• 1971
  • 1971-07-19 US US00164123A patent/US3755336A/en not_active Expired - Lifetime

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