PT72936B - Process for the preparation of 4,5-dihydro-6(pyridinyl)-3(2h)-pyridazinones useful as cardiotonics - Google Patents

Process for the preparation of 4,5-dihydro-6(pyridinyl)-3(2h)-pyridazinones useful as cardiotonics

Info

Publication number
PT72936B
PT72936B PT72936A PT7293681A PT72936B PT 72936 B PT72936 B PT 72936B PT 72936 A PT72936 A PT 72936A PT 7293681 A PT7293681 A PT 7293681A PT 72936 B PT72936 B PT 72936B
Authority
PT
Portugal
Prior art keywords
cardiotonics
pyridazinones
pyridinyl
dihydro
useful
Prior art date
Application number
PT72936A
Other languages
Portuguese (pt)
Other versions
PT72936A (en
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 PT72936A publication Critical patent/PT72936A/en
Publication of PT72936B publication Critical patent/PT72936B/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)
PT72936A 1980-04-28 1981-04-27 Process for the preparation of 4,5-dihydro-6(pyridinyl)-3(2h)-pyridazinones useful as cardiotonics PT72936B (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
PT72936A PT72936A (en) 1981-05-01
PT72936B true PT72936B (en) 1982-04-12

Family

ID=27386124

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72936A PT72936B (en) 1980-04-28 1981-04-27 Process for the preparation of 4,5-dihydro-6(pyridinyl)-3(2h)-pyridazinones useful as cardiotonics

Country Status (15)

Country Link
AT (1) ATA190481A (en)
DE (1) DE3116791A1 (en)
DK (1) DK186781A (en)
ES (1) ES8203880A1 (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
ES501666A0 (en) 1982-04-01
NL8102078A (en) 1981-11-16
DK186781A (en) 1981-10-29
LU83320A1 (en) 1981-12-01
IT1137465B (en) 1986-09-10
NZ196889A (en) 1984-04-27
ATA190481A (en) 1983-12-15
NO811421L (en) 1981-10-29
GB2076807A (en) 1981-12-09
DE3116791A1 (en) 1982-04-15
IT8121384A0 (en) 1981-04-27
FR2481282A1 (en) 1981-10-30
GB2076807B (en) 1984-03-14
PH16845A (en) 1984-03-19
ES8203880A1 (en) 1982-04-01
IL62679A0 (en) 1981-06-29
PT72936A (en) 1981-05-01
SE8102661L (en) 1981-10-29

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