ZA873934B - 2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinone - Google Patents

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

Info

Publication number
ZA873934B
ZA873934B ZA873934A ZA873934A ZA873934B ZA 873934 B ZA873934 B ZA 873934B ZA 873934 A ZA873934 A ZA 873934A ZA 873934 A ZA873934 A ZA 873934A ZA 873934 B ZA873934 B ZA 873934B
Authority
ZA
South Africa
Prior art keywords
pyridinone
pyridazin
triazolo
dihydro
methyl
Prior art date
Application number
ZA873934A
Other languages
English (en)
Inventor
J. Gregge Robert
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.
Publication of ZA873934B publication Critical patent/ZA873934B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic 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
    • C07D487/04Ortho-condensed systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • A61P11/08Bronchodilators

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)
ZA873934A 1986-06-05 1987-06-02 2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinone ZA873934B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA873934B true ZA873934B (en) 1987-12-02

Family

ID=25356523

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA873934A ZA873934B (en) 1986-06-05 1987-06-02 2,3-dihydro-1-(8-methyl-1,2,4-triazolo(4,3-b)pyridazin-6-yl)-4(1h)-pyridinone

Country Status (21)

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

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
US5374632A (en) 1994-12-20
EP0248413B1 (en) 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 (en) 1987-12-09
FI85481B (fi) 1992-01-15
HU196802B (en) 1989-01-30
DE3776199D1 (de) 1992-03-05
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 (no) 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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