Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
  • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P37/00—Drugs for immunological or allergic disorders
  • A61P37/08—Antiallergic agents
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
  • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D311/78—Ring systems having three or more relevant rings
  • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
  • C07D311/82—Xanthenes
  • C07D311/84—Xanthenes 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 in position 9
  • C07D311/86—Oxygen atoms, e.g. xanthones

Landscapes

• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Animal Behavior & Ethology (AREA)
• Veterinary Medicine (AREA)
• Pharmacology & Pharmacy (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Medicinal Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Epidemiology (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Immunology (AREA)
• General Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Pulmonology (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Pyrane Compounds (AREA)
• Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
• Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22635483

Family Applications (1)

Country Status (12)

Families Citing this family (3)

• 1971
  • 1971-08-23 US US00174259A patent/US3803174A/en not_active Expired - Lifetime
• 1972
  • 1972-07-12 DE DE2234250A patent/DE2234250A1/de active Pending
  • 1972-07-12 JP JP6984472A patent/JPS5344473B2/ja not_active Expired
  • 1972-07-12 CA CA146,892A patent/CA1012543A/en not_active Expired
  • 1972-07-12 GB GB3253272A patent/GB1398097A/en not_active Expired
  • 1972-07-12 CH CH1030676A patent/CH592076A5/xx not_active IP Right Cessation
  • 1972-07-12 ES ES404787A patent/ES404787A1/es not_active Expired
  • 1972-07-12 CH CH1045572A patent/CH591470A5/xx not_active IP Right Cessation
  • 1972-07-12 FR FR7225355A patent/FR2150309B1/fr not_active Expired
  • 1972-07-12 SE SE7209195A patent/SE387945B/xx unknown
  • 1972-07-12 NL NL7209619A patent/NL7209619A/xx not_active Application Discontinuation
  • 1972-07-12 DE DE19722265051 patent/DE2265051A1/de active Pending
• 1975
  • 1975-03-12 ES ES435561A patent/ES435561A1/es not_active Expired
  • 1975-03-12 ES ES435560A patent/ES435560A1/es not_active Expired
• 1976
  • 1976-05-27 HK HK308/76*UA patent/HK30876A/xx unknown
  • 1976-12-30 MY MY134/76A patent/MY7600134A/xx unknown
• 1977
  • 1977-04-21 JP JP4631577A patent/JPS537675A/ja active Pending

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