Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D473/00—Heterocyclic compounds containing purine ring systems
  • C07D473/26—Heterocyclic compounds containing purine ring systems with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
  • C07D473/32—Nitrogen atom
  • C07D473/34—Nitrogen atom attached in position 6, e.g. adenine
• • 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
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
  • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
  • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • A61K31/52—Purines, e.g. adenine

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Medicinal Chemistry (AREA)
• Pharmacology & Pharmacy (AREA)
• Epidemiology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Saccharide Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5904202

Family Applications (1)

Country Status (22)

• 1974
  • 1974-01-05 DE DE2400421A patent/DE2400421A1/de not_active Withdrawn
  • 1974-12-20 BG BG028618A patent/BG26199A3/xx unknown
  • 1974-12-23 CA CA216,879A patent/CA1018159A/en not_active Expired
  • 1974-12-25 JP JP50004213A patent/JPS50116490A/ja active Pending
  • 1974-12-30 FI FI3795/74A patent/FI379574A/fi unknown
  • 1974-12-30 NL NL7416997A patent/NL7416997A/xx not_active Application Discontinuation
  • 1974-12-30 ES ES433453A patent/ES433453A1/es not_active Expired
  • 1974-12-30 AR AR257163A patent/AR203134A1/es active
  • 1974-12-30 DK DK690474A patent/DK132433C/da active
  • 1974-12-30 RO RO7481009A patent/RO66566A/ro unknown
  • 1974-12-31 CH CH1740774A patent/CH594669A5/xx not_active IP Right Cessation
  • 1974-12-31 GB GB5614674A patent/GB1435886A/en not_active Expired
• 1975
  • 1975-01-02 AT AT775*BA patent/AT334389B/de not_active IP Right Cessation
  • 1975-01-02 CS CS7500000038A patent/CS183779B2/cs unknown
  • 1975-01-02 DD DD183476A patent/DD117221A5/xx unknown
  • 1975-01-02 ZA ZA00750006A patent/ZA756B/xx unknown
  • 1975-01-03 SE SE7500055A patent/SE7500055L/xx unknown
  • 1975-01-03 FR FR7500105A patent/FR2271826B1/fr not_active Expired
  • 1975-01-03 HU HUBO1529A patent/HU168906B/hu unknown
  • 1975-01-03 SU SU7502092456A patent/SU567410A3/ru active
  • 1975-01-03 BE BE152122A patent/BE824073A/xx unknown
  • 1975-01-04 PL PL1975177149A patent/PL92422B1/zh unknown

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