PT72935B - Process for the preparation of 6-(pyridinyl)-4-substituted-3(2h)-pyridazinones useful as cardiotonic agents - Google Patents

Process for the preparation of 6-(pyridinyl)-4-substituted-3(2h)-pyridazinones useful as cardiotonic agents

Info

Publication number
PT72935B
PT72935B PT72935A PT7293581A PT72935B PT 72935 B PT72935 B PT 72935B PT 72935 A PT72935 A PT 72935A PT 7293581 A PT7293581 A PT 7293581A PT 72935 B PT72935 B PT 72935B
Authority
PT
Portugal
Prior art keywords
pyridazinones
pyridinyl
substituted
useful
preparation
Prior art date
Application number
PT72935A
Other languages
Portuguese (pt)
Other versions
PT72935A (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 US06/144,697 external-priority patent/US4304776A/en
Priority claimed from US06/144,563 external-priority patent/US4305943A/en
Application filed by Sterling Drug Inc filed Critical Sterling Drug Inc
Publication of PT72935A publication Critical patent/PT72935A/en
Publication of PT72935B publication Critical patent/PT72935B/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
    • C07D213/55—Acids; Esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
PT72935A 1980-04-28 1981-04-27 Process for the preparation of 6-(pyridinyl)-4-substituted-3(2h)-pyridazinones useful as cardiotonic agents PT72935B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/144,697 US4304776A (en) 1980-04-28 1980-04-28 4-Substituted-6-(pyridinyl)-3(2h)-pyridazinones and their use as intermediates and cardiotonics
US06/144,563 US4305943A (en) 1980-04-28 1980-04-28 4-Amino-6-(pyridinyl)-3(2H)-pyridazinones and their use as cardiotonics

Publications (2)

Publication Number Publication Date
PT72935A PT72935A (en) 1981-05-01
PT72935B true PT72935B (en) 1982-04-12

Family

ID=26842118

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72935A PT72935B (en) 1980-04-28 1981-04-27 Process for the preparation of 6-(pyridinyl)-4-substituted-3(2h)-pyridazinones useful as cardiotonic agents

Country Status (16)

Country Link
AR (1) AR230279A1 (en)
AU (1) AU6972481A (en)
DE (1) DE3116861A1 (en)
DK (1) DK186681A (en)
ES (1) ES8301964A1 (en)
FI (1) FI811304L (en)
FR (1) FR2481284A1 (en)
GB (1) GB2075500B (en)
IL (1) IL62675A0 (en)
IT (1) IT1137568B (en)
LU (1) LU83322A1 (en)
NL (1) NL8102077A (en)
NO (1) NO811420L (en)
NZ (1) NZ196844A (en)
PT (1) PT72935B (en)
SE (1) SE8102660L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529891A1 (en) * 1982-07-12 1984-01-13 Nativelle Sa Ets PYRIDYL-3 ALCOXY-5 PYRAZOLE DERIVATIVES, PREPARATION METHOD AND THERAPEUTIC APPLICATION

Also Published As

Publication number Publication date
PT72935A (en) 1981-05-01
DE3116861A1 (en) 1982-01-14
FR2481284A1 (en) 1981-10-30
GB2075500A (en) 1981-11-18
IT8121385A0 (en) 1981-04-27
NZ196844A (en) 1984-04-27
IL62675A0 (en) 1981-06-29
LU83322A1 (en) 1981-12-01
NL8102077A (en) 1981-11-16
AR230279A1 (en) 1984-03-01
IT1137568B (en) 1986-09-10
NO811420L (en) 1981-10-29
ES501665A0 (en) 1983-01-01
AU6972481A (en) 1981-11-05
GB2075500B (en) 1984-06-06
SE8102660L (en) 1981-10-29
FI811304L (en) 1981-10-29
ES8301964A1 (en) 1983-01-01
DK186681A (en) 1981-10-29

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