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IT1137465B - "4,5-DIHYDRO-6 (PYRIDINYL) -3 (2H) -PYRIDAZINONES USEFUL AS CARDIOTONICS, AND THEIR PREPARATION" - Google Patents

"4,5-DIHYDRO-6 (PYRIDINYL) -3 (2H) -PYRIDAZINONES USEFUL AS CARDIOTONICS, AND THEIR PREPARATION"

Info

Publication number
IT1137465B
IT1137465B IT21384/81A IT2138481A IT1137465B IT 1137465 B IT1137465 B IT 1137465B IT 21384/81 A IT21384/81 A IT 21384/81A IT 2138481 A IT2138481 A IT 2138481A IT 1137465 B IT1137465 B IT 1137465B
Authority
IT
Italy
Prior art keywords
cardiotonics
pyridazinones
pyridinyl
dihydro
useful
Prior art date
Application number
IT21384/81A
Other languages
Italian (it)
Other versions
IT8121384A0 (en
Inventor
George Yohe Lesher
William Borden Dickinson
Original Assignee
Sterling Drug 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
Priority claimed from US06/243,472 external-priority patent/US4337253A/en
Priority claimed from US06/245,086 external-priority patent/US4486431A/en
Application filed by Sterling Drug Inc filed Critical Sterling Drug Inc
Publication of IT8121384A0 publication Critical patent/IT8121384A0/en
Application granted granted Critical
Publication of IT1137465B publication Critical patent/IT1137465B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/57—Nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
IT21384/81A 1980-04-28 1981-04-27 "4,5-DIHYDRO-6 (PYRIDINYL) -3 (2H) -PYRIDAZINONES USEFUL AS CARDIOTONICS, AND THEIR PREPARATION" IT1137465B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14456480A 1980-04-28 1980-04-28
US06/243,472 US4337253A (en) 1980-04-28 1981-03-13 4,5-Dihydro-2-methyl-6-(4-pyridinyl)-3(2H)-pyridazinone and its use as a cardiotonic
US06/245,086 US4486431A (en) 1981-01-14 1981-03-18 Cardiotonic use of 4,5-dihydro-6-(4-pyridinyl)-3(2H)-pyridazinones

Publications (2)

Publication Number Publication Date
IT8121384A0 IT8121384A0 (en) 1981-04-27
IT1137465B true IT1137465B (en) 1986-09-10

Family

ID=27386124

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21384/81A IT1137465B (en) 1980-04-28 1981-04-27 "4,5-DIHYDRO-6 (PYRIDINYL) -3 (2H) -PYRIDAZINONES USEFUL AS CARDIOTONICS, AND THEIR PREPARATION"

Country Status (15)

Country Link
AT (1) ATA190481A (en)
DE (1) DE3116791A1 (en)
DK (1) DK186781A (en)
ES (1) ES501666A0 (en)
FR (1) FR2481282A1 (en)
GB (1) GB2076807B (en)
IL (1) IL62679A0 (en)
IT (1) IT1137465B (en)
LU (1) LU83320A1 (en)
NL (1) NL8102078A (en)
NO (1) NO811421L (en)
NZ (1) NZ196889A (en)
PH (1) PH16845A (en)
PT (1) PT72936B (en)
SE (1) SE8102661L (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304777A (en) * 1979-08-30 1981-12-08 Sterling Drug Inc. 6-(Pyridinyl)-3(2H)-pyridazinones and their use as cardiotonics

Also Published As

Publication number Publication date
PT72936B (en) 1982-04-12
SE8102661L (en) 1981-10-29
ATA190481A (en) 1983-12-15
GB2076807B (en) 1984-03-14
NL8102078A (en) 1981-11-16
ES8203880A1 (en) 1982-04-01
IL62679A0 (en) 1981-06-29
FR2481282A1 (en) 1981-10-30
IT8121384A0 (en) 1981-04-27
GB2076807A (en) 1981-12-09
DK186781A (en) 1981-10-29
DE3116791A1 (en) 1982-04-15
NZ196889A (en) 1984-04-27
LU83320A1 (en) 1981-12-01
NO811421L (en) 1981-10-29
PT72936A (en) 1981-05-01
ES501666A0 (en) 1982-04-01
PH16845A (en) 1984-03-19

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