DE3776199D1 - 2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinon. - Google Patents

2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinon.

Info

Publication number
DE3776199D1
DE3776199D1 DE8787108016T DE3776199T DE3776199D1 DE 3776199 D1 DE3776199 D1 DE 3776199D1 DE 8787108016 T DE8787108016 T DE 8787108016T DE 3776199 T DE3776199 T DE 3776199T DE 3776199 D1 DE3776199 D1 DE 3776199D1
Authority
DE
Germany
Prior art keywords
pyridinone
pyridazin
triazolo
dihydro
methyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8787108016T
Other languages
English (en)
Inventor
Robert J Cregge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aventis Pharmaceuticals Inc
Original Assignee
Merrell Dow Pharmaceuticals Inc
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 Merrell Dow Pharmaceuticals Inc filed Critical Merrell Dow Pharmaceuticals Inc
Application granted granted Critical
Publication of DE3776199D1 publication Critical patent/DE3776199D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/08—Bronchodilators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE8787108016T 1986-06-05 1987-06-03 2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinon. Expired - Fee Related DE3776199D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87101186A 1986-06-05 1986-06-05

Publications (1)

Publication Number Publication Date
DE3776199D1 true DE3776199D1 (de) 1992-03-05

Family

ID=25356523

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787108016T Expired - Fee Related DE3776199D1 (de) 1986-06-05 1987-06-03 2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinon.

Country Status (21)

Country Link
US (1) US5374632A (de)
EP (1) EP0248413B1 (de)
JP (1) JP2527967B2 (de)
KR (1) KR900005658B1 (de)
CN (1) CN1022833C (de)
AR (1) AR243525A1 (de)
AT (1) ATE71946T1 (de)
AU (1) AU593109B2 (de)
CA (1) CA1335994C (de)
DE (1) DE3776199D1 (de)
DK (1) DK165923C (de)
ES (1) ES2038616T3 (de)
FI (1) FI85481C (de)
GR (1) GR3003658T3 (de)
HU (1) HU196802B (de)
IE (1) IE59611B1 (de)
IL (1) IL82766A (de)
NO (1) NO165544C (de)
NZ (1) NZ220521A (de)
PT (1) PT85001B (de)
ZA (1) ZA873934B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69411616T2 (de) * 1993-04-12 1998-11-19 Takeda Chemical Industries Ltd Triazolopyridazin-Derivate, ihre Herstellung und Verwendung
US5869486A (en) * 1995-02-24 1999-02-09 Ono Pharmaceutical Co., Ltd. Fused pyrimidines and pyriazines as pharmaceutical compounds
US6022893A (en) * 1995-08-08 2000-02-08 Ono Pharmaceutical Co., Ltd. Hydroxamic acid derivatives

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915968A (en) * 1973-09-21 1975-10-28 Lepetit Spa Triazolopyridazines
US4136182A (en) * 1976-05-26 1979-01-23 The Dow Chemical Company Triazolopyridazines used to alleviate bronchial spasms
US4366156A (en) * 1979-03-05 1982-12-28 Mead Johnson & Company Antiallergic methods using diazaheterocyclopurines
US4515791A (en) * 1980-06-03 1985-05-07 American Cyanamid Company Substituted phenyl-1,2,4-triazolo[2,3-b]pyridazin-3(2H)ones as anti-asthma agents
US4489078A (en) * 1980-11-24 1984-12-18 Mead Johnson & Company Diazaheterocyclopurines used as anti-broncho spasmatics and vasodilators
US4578464A (en) * 1983-11-22 1986-03-25 Merrell Dow Pharmaceuticals Inc. 6-Hydroxyalkylamino-8-methyl-1,2,4-triazolo-[4,3-b]pyridazine and related compounds

Also Published As

Publication number Publication date
ZA873934B (en) 1987-12-02
US5374632A (en) 1994-12-20
EP0248413B1 (de) 1992-01-22
PT85001A (en) 1987-07-01
NZ220521A (en) 1989-11-28
KR900005658B1 (ko) 1990-08-03
KR880000437A (ko) 1988-03-25
JPS62292784A (ja) 1987-12-19
DK289187D0 (da) 1987-06-04
DK165923B (da) 1993-02-08
NO872358D0 (no) 1987-06-04
HUT46004A (en) 1988-09-28
CA1335994C (en) 1995-06-20
IL82766A0 (en) 1987-12-20
FI872461A (fi) 1987-12-06
NO872358L (no) 1987-12-07
CN87104026A (zh) 1988-01-13
PT85001B (pt) 1990-03-08
AU593109B2 (en) 1990-02-01
FI85481C (fi) 1992-04-27
EP0248413A1 (de) 1987-12-09
FI85481B (fi) 1992-01-15
HU196802B (en) 1989-01-30
AU7372887A (en) 1987-12-10
NO165544B (no) 1990-11-19
ES2038616T3 (es) 1993-08-01
DK165923C (da) 1993-06-28
AR243525A1 (es) 1993-08-31
IE871484L (en) 1987-12-05
FI872461A0 (fi) 1987-06-02
DK289187A (da) 1987-12-06
IE59611B1 (en) 1994-03-09
GR3003658T3 (de) 1993-03-16
NO165544C (no) 1991-02-27
ATE71946T1 (de) 1992-02-15
JP2527967B2 (ja) 1996-08-28
IL82766A (en) 1991-04-15
CN1022833C (zh) 1993-11-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee