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
  • C07D213/60—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
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P19/00—Drugs for skeletal disorders
  • A61P19/06—Antigout agents, e.g. antihyperuricemic or uricosuric agents
• • 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
  • 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
• • 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)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Animal Behavior & Ethology (AREA)
• Veterinary Medicine (AREA)
• Neurology (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Medicinal Chemistry (AREA)
• Public Health (AREA)
• Biomedical Technology (AREA)
• Pharmacology & Pharmacy (AREA)
• Life Sciences & Earth Sciences (AREA)
• Neurosurgery (AREA)
• General Health & Medical Sciences (AREA)
• Hospice & Palliative Care (AREA)
• Psychiatry (AREA)
• Pain & Pain Management (AREA)
• Rheumatology (AREA)
• Physical Education & Sports Medicine (AREA)
• Pyridine Compounds (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5715283

Family Applications (1)

Country Status (16)

Families Citing this family (1)

Family Cites Families (2)

• 1968
  • 1968-12-05 DE DE1812794A patent/DE1812794C3/de not_active Expired
• 1969
  • 1969-11-26 IL IL33437A patent/IL33437A/xx unknown
  • 1969-12-01 CH CH113673A patent/CH545291A/de not_active IP Right Cessation
  • 1969-12-01 CH CH1785169A patent/CH544756A/de not_active IP Right Cessation
  • 1969-12-01 CH CH921672A patent/CH562797A5/de not_active IP Right Cessation
  • 1969-12-01 CH CH921772A patent/CH544757A/de not_active IP Right Cessation
  • 1969-12-02 GB GB58829/69A patent/GB1263370A/en not_active Expired
  • 1969-12-04 NL NL6918252.A patent/NL167421C/xx not_active IP Right Cessation
  • 1969-12-04 DK DK642669AA patent/DK141050B/da not_active IP Right Cessation
  • 1969-12-04 AT AT731972A patent/AT309430B/de not_active IP Right Cessation
  • 1969-12-04 CS CS1216*[A patent/CS164837B2/cs unknown
  • 1969-12-04 CS CS7986A patent/CS164836B2/cs unknown
  • 1969-12-04 US US882348A patent/US3658825A/en not_active Expired - Lifetime
  • 1969-12-04 AT AT732072A patent/AT311347B/de not_active IP Right Cessation
  • 1969-12-04 CS CS1217*[A patent/CS164838B2/cs unknown
  • 1969-12-04 AT AT1133669A patent/AT309427B/de not_active IP Right Cessation
  • 1969-12-04 BE BE742641A patent/BE742641A/fr not_active Expired
  • 1969-12-04 SE SE16705/69A patent/SE366310B/xx unknown
  • 1969-12-04 AT AT732172A patent/AT311970B/de not_active IP Right Cessation
  • 1969-12-05 FR FR6942137A patent/FR2025454A1/fr active Granted
  • 1969-12-05 JP JP44097285A patent/JPS5243834B1/ja active Pending
  • 1969-12-05 ES ES374266A patent/ES374266A1/es not_active Expired
  • 1969-12-05 BR BR214813/69A patent/BR6914813D0/pt unknown
• 1972
  • 1972-01-13 US US00217636A patent/US3759930A/en not_active Expired - Lifetime
• 1979
  • 1979-01-15 IT IT7947631A patent/IT7947631A0/it unknown

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