NO861643L - Nye 8-fenylxantiner og fremgangsmaate for deres fremstilling. - Google Patents

Nye 8-fenylxantiner og fremgangsmaate for deres fremstilling.

Info

Publication number
NO861643L
NO861643L NO861643A NO861643A NO861643L NO 861643 L NO861643 L NO 861643L NO 861643 A NO861643 A NO 861643A NO 861643 A NO861643 A NO 861643A NO 861643 L NO861643 L NO 861643L
Authority
NO
Norway
Prior art keywords
compound
formula
tetrahydro
purin
dioxo
Prior art date
Application number
NO861643A
Other languages
English (en)
Norwegian (no)
Inventor
Susan Mary Daluge
Harry Jefferson Leighton
Original Assignee
Wellcome Found
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wellcome Found filed Critical Wellcome Found
Publication of NO861643L publication Critical patent/NO861643L/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/20Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two sulfur atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • C07D473/08Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/22Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one sulfur atom

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NO861643A 1985-04-27 1986-04-25 Nye 8-fenylxantiner og fremgangsmaate for deres fremstilling. NO861643L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858510758A GB8510758D0 (en) 1985-04-27 1985-04-27 Compounds

Publications (1)

Publication Number Publication Date
NO861643L true NO861643L (no) 1986-10-28

Family

ID=10578311

Family Applications (1)

Application Number Title Priority Date Filing Date
NO861643A NO861643L (no) 1985-04-27 1986-04-25 Nye 8-fenylxantiner og fremgangsmaate for deres fremstilling.

Country Status (22)

Country Link
US (2) US4879296A (es)
EP (1) EP0203721B1 (es)
JP (1) JPH0788381B2 (es)
KR (1) KR860008176A (es)
AP (1) AP22A (es)
AT (1) ATE77088T1 (es)
AU (1) AU581507B2 (es)
CA (1) CA1286666C (es)
DE (1) DE3685608T2 (es)
DK (1) DK169271B1 (es)
ES (1) ES8800945A1 (es)
FI (1) FI861750A (es)
GB (1) GB8510758D0 (es)
GR (1) GR861107B (es)
HU (1) HUT41027A (es)
IE (1) IE60022B1 (es)
IL (1) IL78605A (es)
MC (1) MC1743A1 (es)
NO (1) NO861643L (es)
NZ (1) NZ215948A (es)
PT (1) PT82451B (es)
ZA (1) ZA863132B (es)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710503A (en) * 1985-02-07 1987-12-01 Euroceltique S.A. 6-thioxanthine derivatives
GB8510758D0 (en) * 1985-04-27 1985-06-05 Wellcome Found Compounds
GB8610136D0 (en) * 1986-04-25 1986-05-29 Wellcome Found Compounds
AT388500B (de) * 1987-10-27 1989-06-26 Wellcome Found Antivirale 8-phenylxanthine
US5310916A (en) * 1988-07-19 1994-05-10 The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Trifunctional agents useful as irreversible inhibitors of A1-adenosine receptors
US5298508A (en) * 1988-07-19 1994-03-29 The United States Of America As Represented By The Department Of Health And Human Services Irreversible inhibitors of adenosine receptors
AU5436790A (en) * 1989-04-19 1990-11-16 United States of America, as represented by the Secretary, U.S. Department of Commerce, The Sulfer-containing xanthine derivatives as adenosin antagonists
WO1991016056A1 (en) * 1990-04-16 1991-10-31 The United States Of America, As Represented By The Secretary, U.S. Department Of Commerce Use of purinergic receptor agonists as antineoplastic agents
DE4129603A1 (de) * 1991-09-06 1993-03-11 Thomae Gmbh Dr K Kondensierte 5-gliedrige heterocyclen, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel
CA2082325A1 (en) * 1991-11-08 1993-05-09 Fumio Suzuki Xanthine derivatives
US5336769A (en) * 1992-02-17 1994-08-09 Kyowa Hakko Kogyo Co., Ltd. Xanthine derivatives
US5484920A (en) * 1992-04-08 1996-01-16 Kyowa Hakko Kogyo Co., Ltd. Therapeutic agent for Parkinson's disease
US5300298A (en) * 1992-05-06 1994-04-05 The Pennsylvania Research Corporation Methods of treating obesity with purine related compounds
TW252044B (es) * 1992-08-10 1995-07-21 Boehringer Ingelheim Kg
JP2613355B2 (ja) * 1992-09-28 1997-05-28 協和醗酵工業株式会社 パーキンソン氏病治療剤
CA2112031A1 (en) * 1992-12-24 1994-06-25 Fumio Suzuki Xanthine derivatives
US5521315A (en) * 1993-01-12 1996-05-28 Cell Therapeutics, Inc. Olefin substituted long chain compounds
WO1994025462A1 (en) * 1993-05-03 1994-11-10 The United States Of America, Represented By The 8-substituted 1,3,7-trialkyl-xanthine derivatives as a2-selective adenosine receptor antagonists
GB9312853D0 (en) 1993-06-22 1993-08-04 Euro Celtique Sa Chemical compounds
WO1995011681A1 (en) * 1993-10-29 1995-05-04 Merck & Co., Inc. Human adenosine receptor antagonists
US5646156A (en) * 1994-04-25 1997-07-08 Merck & Co., Inc. Inhibition of eosinophil activation through A3 adenosine receptor antagonism
US5922751A (en) 1994-06-24 1999-07-13 Euro-Celtique, S.A. Aryl pyrazole compound for inhibiting phosphodiesterase IV and methods of using same
US5591776A (en) * 1994-06-24 1997-01-07 Euro-Celtique, S.A. Pheynl or benzyl-substituted rolipram-based compounds for and method of inhibiting phosphodiesterase IV
US6514949B1 (en) 1994-07-11 2003-02-04 University Of Virginia Patent Foundation Method compositions for treating the inflammatory response
US6448235B1 (en) 1994-07-11 2002-09-10 University Of Virginia Patent Foundation Method for treating restenosis with A2A adenosine receptor agonists
GB9415529D0 (en) * 1994-08-01 1994-09-21 Wellcome Found Phenyl xanthine derivatives
ATE247116T1 (de) 1994-12-13 2003-08-15 Euro Celtique Sa Arylthioxanthine
EP0799040B1 (en) * 1994-12-13 2003-08-20 Euroceltique S.A. Trisubstituted thioxanthines
US6025361A (en) 1994-12-13 2000-02-15 Euro-Celtique, S.A. Trisubstituted thioxanthines
US5733932A (en) * 1995-01-06 1998-03-31 The Picower Institute For Medical Research Compounds and methods of use to derivatize neighboring lysine residues in proteins under physiological conditions
US6268373B1 (en) 1995-06-07 2001-07-31 Euro-Celtique S.A. Trisubstituted thioxanthines
US6166041A (en) 1995-10-11 2000-12-26 Euro-Celtique, S.A. 2-heteroaryl and 2-heterocyclic benzoxazoles as PDE IV inhibitors for the treatment of asthma
US6075016A (en) 1996-04-10 2000-06-13 Euro-Celtique S.A. 6,5-fused aromatic ring systems having enhanced phosphodiesterase IV inhibitory activity
US6316423B1 (en) 1996-04-10 2001-11-13 The United States Of America As Represented By The Departmant Of Health And Human Services Method of treating ischemic, hypoxic and anoxic brain damage
US5864037A (en) 1996-06-06 1999-01-26 Euro-Celtique, S.A. Methods for the synthesis of chemical compounds having PDE-IV inhibitory activity
US6294541B1 (en) 1996-06-06 2001-09-25 Euro-Celtique S.A. Purine derivatives having phosphodiesterase IV inhibition activity
US5728560A (en) * 1996-06-14 1998-03-17 Enzon, Inc. Method of treating CD4+ T cell lymphopenia in immuno-compromised patients
US5744473A (en) * 1996-09-16 1998-04-28 Euro-Celtique, S.A. PDE IV inhibitors: "bis-compounds"
GB9703044D0 (en) 1997-02-14 1997-04-02 Glaxo Group Ltd Phenyl xanthine esters and amides
US6063363A (en) * 1997-05-27 2000-05-16 Goodwin; Gary J Treatment for upper respiratory tract infections with potassium salts
AU1723099A (en) 1997-12-12 1999-07-05 Euro-Celtique S.A. 3-substituted adenines via2-thioxanthines
US6117878A (en) * 1998-02-24 2000-09-12 University Of Virginia 8-phenyl- or 8-cycloalkyl xanthine antagonists of A2B human adenosine receptors
US6303619B1 (en) * 1998-03-12 2001-10-16 University Of Virginia Meta-substituted acidic 8-phenylxanthine antagonists of A3 human adenosine receptors
GB9817623D0 (en) 1998-08-13 1998-10-07 Glaxo Group Ltd Pharmaceutical compounds
US6319928B1 (en) 1998-11-30 2001-11-20 Euro-Celtique, S.A. Purine derivatives having phosphodiesterase IV inhibition activity
US7427606B2 (en) * 1999-02-01 2008-09-23 University Of Virginia Patent Foundation Method to reduce inflammatory response in transplanted tissue
US7378400B2 (en) * 1999-02-01 2008-05-27 University Of Virginia Patent Foundation Method to reduce an inflammatory response from arthritis
US7214665B2 (en) * 2001-10-01 2007-05-08 University Of Virginia Patent Foundation 2-propynyl adenosine analogs having A2A agonist activity and compositions thereof
US6232297B1 (en) 1999-02-01 2001-05-15 University Of Virginia Patent Foundation Methods and compositions for treating inflammatory response
HUP0200938A2 (en) 1999-04-02 2002-10-28 Euro Celtique Sa Purine derivatives having phosphodiesterase iv inhibition activity and medicaments containing them
US6545002B1 (en) 1999-06-01 2003-04-08 University Of Virginia Patent Foundation Substituted 8-phenylxanthines useful as antagonists of A2B adenosine receptors
US6322771B1 (en) 1999-06-18 2001-11-27 University Of Virginia Patent Foundation Induction of pharmacological stress with adenosine receptor agonists
US7253176B1 (en) * 2000-05-04 2007-08-07 K.U. Leuven Research & Development Immunosuppressive effects of 8-substituted xanthine derivatives
US6670334B2 (en) 2001-01-05 2003-12-30 University Of Virginia Patent Foundation Method and compositions for treating the inflammatory response
US7317017B2 (en) * 2002-11-08 2008-01-08 Cv Therapeutics, Inc. A2B adenosine receptor antagonists
US20080318983A1 (en) * 2001-11-09 2008-12-25 Rao Kalla A2b adenosine receptor antagonists
US7125993B2 (en) * 2001-11-09 2006-10-24 Cv Therapeutics, Inc. A2B adenosine receptor antagonists
US6977300B2 (en) * 2001-11-09 2005-12-20 Cv Therapeutics, Inc. A2B adenosine receptor antagonists
EP1444233B1 (en) 2001-11-09 2011-08-17 Gilead Palo Alto, Inc. A2b adenosine receptor antagonists
US20040072848A1 (en) * 2002-02-26 2004-04-15 Huber Brian E Methods of treating irritable bowel syndrome and functional dyspepsia
CN1671716A (zh) * 2002-06-12 2005-09-21 拜奥根Idec马萨诸塞公司 用腺苷受体拮抗剂治疗缺血再灌注损伤的方法
US7202252B2 (en) * 2003-02-19 2007-04-10 Endacea, Inc. A1 adenosine receptor antagonists
WO2004106337A1 (en) * 2003-05-06 2004-12-09 Cv Therapeutics, Inc. Xanthine derivatives as a2b adenosine receptor antagonists
CA2528385C (en) * 2003-06-06 2011-03-15 Endacea, Inc. A1 adenosine receptor antogonists
EP1778712B1 (en) * 2004-08-02 2013-01-30 University Of Virginia Patent Foundation 2-propynyl adenosine analogs with modified 5'-ribose groups having a2a agonist activity
WO2006028618A1 (en) * 2004-08-02 2006-03-16 University Of Virginia Patent Foundation 2-polycyclic propynyl adenosine analogs with modified 5'-ribose groups having a2a agonist activity
US7442687B2 (en) * 2004-08-02 2008-10-28 The University Of Virginia Patent Foundation 2-polycyclic propynyl adenosine analogs having A2A agonist activity
JP4929173B2 (ja) * 2004-09-01 2012-05-09 ギリアード・パロ・アルト・インコーポレイテッド A2bアデノシンレセプターアンタゴニストを使用する創傷治癒の方法
WO2007092936A2 (en) * 2006-02-08 2007-08-16 University Of Virginia Patent Foundation Method to treat gastric lesions
US8178509B2 (en) 2006-02-10 2012-05-15 University Of Virginia Patent Foundation Method to treat sickle cell disease
US8188063B2 (en) 2006-06-19 2012-05-29 University Of Virginia Patent Foundation Use of adenosine A2A modulators to treat spinal cord injury
US8193200B2 (en) 2007-01-04 2012-06-05 University Of Virginia Patent Foundation Antagonists of A2B adenosine receptors for treatment of inflammatory bowel disease
US8058259B2 (en) * 2007-12-20 2011-11-15 University Of Virginia Patent Foundation Substituted 4-{3-[6-amino-9-(3,4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR agonists

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602795A (en) 1950-06-24 1952-07-08 Searle & Co Hydroxyalkyl alkyl derivatives of 5-nitroso-6-amino-1, 2, 3, 4-tetrahydro-2, 4-pyrimidinedione
US4452788A (en) * 1982-04-21 1984-06-05 Warner-Lambert Company Substituted 8-phenylxanthines
US4593095A (en) * 1983-02-18 1986-06-03 The Johns Hopkins University Xanthine derivatives
US4696932A (en) * 1984-10-26 1987-09-29 The United States Of America As Represented By The Department Of Health And Human Services Biologically-active xanthine derivatives
US4612315A (en) * 1984-10-26 1986-09-16 The United States Of America As Represented By The Department Of Health And Human Services Biologically-active 1,3-dipropyl-8-phenylxanthine derivatives
GB8510758D0 (en) * 1985-04-27 1985-06-05 Wellcome Found Compounds
DE3522230A1 (de) * 1985-06-21 1987-01-02 Thomae Gmbh Dr K Neue 2-arylimidazole, diese verbindungen enthaltende arzneimittel und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
US4879296A (en) 1989-11-07
GR861107B (en) 1986-08-04
DE3685608D1 (de) 1992-07-16
JPS6242986A (ja) 1987-02-24
MC1743A1 (fr) 1987-02-26
AU5670786A (en) 1986-10-30
HUT41027A (en) 1987-03-30
AP8600036A0 (en) 1986-02-01
AU581507B2 (en) 1989-02-23
CA1286666C (en) 1991-07-23
EP0203721B1 (en) 1992-06-10
PT82451A (en) 1986-05-01
NZ215948A (en) 1989-10-27
ES8800945A1 (es) 1987-12-01
IL78605A0 (en) 1986-08-31
IL78605A (en) 1989-07-31
FI861750A (fi) 1986-10-28
DE3685608T2 (de) 1992-12-24
EP0203721A3 (en) 1988-06-08
KR860008176A (ko) 1986-11-12
US4981857A (en) 1991-01-01
DK169271B1 (da) 1994-09-26
FI861750A0 (fi) 1986-04-25
ES554380A0 (es) 1987-12-01
JPH0788381B2 (ja) 1995-09-27
IE60022B1 (en) 1994-05-18
EP0203721A2 (en) 1986-12-03
ZA863132B (en) 1987-12-30
DK190486D0 (da) 1986-04-24
ATE77088T1 (de) 1992-06-15
PT82451B (pt) 1988-11-30
GB8510758D0 (en) 1985-06-05
DK190486A (da) 1986-10-28
IE861104L (en) 1986-10-27
AP22A (en) 1988-07-20

Similar Documents

Publication Publication Date Title
NO861643L (no) Nye 8-fenylxantiner og fremgangsmaate for deres fremstilling.
US6743798B1 (en) Substituted pyrazole derivatives condensed with six-membered heterocyclic rings
DE60101158T2 (de) 8-chinolinxanthin and 8-isochinolinxanthin derivate als pde 5 inhibitoren
US6864253B2 (en) Benzo[4,5]thieno[2,3-c]pyridine and Benzo[4,5]furo[2,3-c]pyridine Derivatives Useful as Inhibitors of Phosphodiesterase
US4500525A (en) Pharmacologically active pyrazolo/4,3-c/pyridines
US6545000B1 (en) [1,2,4]triazolo[1,5-c]pyrimidine derivatives
BG99489A (bg) Асиметрично заместен ксантини с аденозинантагонистични свойства, метод за тяхното получаване и междинни съединения за тази цел, приложение на тези съединения като фармакологични средства, фармацевтични смеси които ги съдържат и метод за тяхното получаване
SE416810B (sv) Forfarande for framstellning av xantinderivat med antiallergisk aktivitet
JP3116230B2 (ja) 三環式縮合ピリミジン誘導体
US6077841A (en) 5-heterocyclyl pyrazolo[4,3-d]pyrimidin-7-ones for the treatment of male erectile dysfunction
EP3700895B1 (en) Polycyclic amides as muscarinic m1 receptor positive allosteric modulators
CS262690B2 (en) Process for preparing 1-/hydroxystyryl/-5h-2,3-benzodiazepines
KR100195368B1 (ko) 선택적인 아데노신 수용체 제제 및 이의 제조방법
JPS6187681A (ja) 1h‐インドル‐3‐イルを含む1,3‐ジメチル‐1h‐プリン‐2,6‐ジオン類、その製法および用途
US5015647A (en) Method for treating viral infections
US5017577A (en) Methods for treating viral infection
US4942143A (en) Imidazothiadiazine derivatives, and their use as medicaments
NO832964L (no) Analogifremgangsmaate for fremstilling av aktive tieno-tiazol-derivater
CZ284350B6 (cs) Deriváty l,3-dihydro-2H-pyrrolo[2,3-b]chinolin-2-onu, způsob a meziprodukty pro jejich výrobu, farmaceutické prostředky na jejich bázi a způsob jejich výroby
US20040038996A1 (en) 8-Quinolinxanthine and 8-isoquinolinxant hine derivatives as PDE 5 inhibitors
US7291627B2 (en) Dihydroimidazo[5.1-a]-beta-carboline derivatives, method for their preparation, and their application as a drug
IE780310L (en) Heterocyclopyrimidines
CS41991A3 (en) 2,4,8-trisubstituted-3h,6h-1,4,5a,8a-tetraazaacenaphthylene-3,5-(4h)-diones and,4,8-trisubstituted-4,5-dihydro-5-thioxo-3h,6h,1,4,5a, 8a-tetraazaacenaphthylene-3-ons
NO812963L (no) Analogifremgangsmaate for fremstilling av nye pyraziner
US3466290A (en) 9,10-dihydro-4h-benzo(4,5)cyclohepta(1,2-b)thiophene ethers