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
  • A61K31/395—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
  • A61K31/4995—Pyrazines or piperazines forming part of bridged ring systems
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
  • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
  • C07D487/04—Ortho-condensed systems
• • C—CHEMISTRY; METALLURGY
  • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
  • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
  • C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
  • C12P17/18—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms containing at least two hetero rings condensed among themselves or condensed with a common carbocyclic ring system, e.g. rifamycin

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Wood Science & Technology (AREA)
• Engineering & Computer Science (AREA)
• General Health & Medical Sciences (AREA)
• Zoology (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Pharmacology & Pharmacy (AREA)
• General Chemical & Material Sciences (AREA)
• Biochemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Engineering & Computer Science (AREA)
• Biotechnology (AREA)
• Genetics & Genomics (AREA)
• Medicinal Chemistry (AREA)
• Microbiology (AREA)
• Epidemiology (AREA)
• Animal Behavior & Ethology (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Preparation Of Compounds By Using Micro-Organisms (AREA)
• Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
• Saccharide Compounds (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11721427

Family Applications (1)

Country Status (12)

Families Citing this family (1)

Family Cites Families (2)

• 1974
  • 1974-01-21 JP JP948174A patent/JPS579799B2/ja not_active Expired
  • 1974-12-27 DK DK683774AA patent/DK140698B/da not_active IP Right Cessation
  • 1974-12-31 AU AU76981/74A patent/AU497610B2/en not_active Expired
• 1975
  • 1975-01-10 CA CA217,713A patent/CA1041497A/en not_active Expired
  • 1975-01-10 GB GB1097/75A patent/GB1484776A/en not_active Expired
  • 1975-01-17 BE BE152487A patent/BE824515A/xx not_active IP Right Cessation
  • 1975-01-17 US US05/541,929 patent/US4018772A/en not_active Expired - Lifetime
  • 1975-01-18 DE DE2501958A patent/DE2501958C2/de not_active Expired
  • 1975-01-20 ES ES433975A patent/ES433975A1/es not_active Expired
  • 1975-01-20 SE SE7500598A patent/SE423719B/xx not_active IP Right Cessation
  • 1975-01-20 FR FR7501698A patent/FR2258449B1/fr not_active Expired
  • 1975-01-21 NL NLAANVRAGE7500693,A patent/NL182157C/xx not_active IP Right Cessation

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