Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D473/00—Heterocyclic compounds containing purine ring systems
  • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
  • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
  • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
  • C07D473/10—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 3 and 7, e.g. theobromine
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D473/00—Heterocyclic compounds containing purine ring systems
  • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
  • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D473/00—Heterocyclic compounds containing purine ring systems
  • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
  • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
  • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
  • C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=25598985

Family Applications (1)

Country Status (8)

• 1966
  • 1966-11-30 DE DE19661695100 patent/DE1695100A1/de active Pending
  • 1966-12-02 ES ES0334064A patent/ES334064A1/es not_active Expired
  • 1966-12-08 CH CH991470A patent/CH496014A/de not_active IP Right Cessation
  • 1966-12-08 SE SE16834/66A patent/SE345669B/xx unknown
  • 1966-12-08 BE BE690863D patent/BE690863A/xx unknown
  • 1966-12-08 CH CH1755266A patent/CH496013A/de not_active IP Right Cessation
  • 1966-12-08 JP JP41080097A patent/JPS5113160B1/ja active Pending
  • 1966-12-09 GB GB55188/66A patent/GB1156719A/en not_active Expired
  • 1966-12-09 FR FR86792A patent/FR1504939A/fr not_active Expired
• 1967
  • 1967-03-09 FR FR98053A patent/FR7018M/fr not_active Expired

Also Published As

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