BE793345A - PYRIDOPYRIDAZINE DERIVATIVES - Google Patents

PYRIDOPYRIDAZINE DERIVATIVES

Info

Publication number
BE793345A
BE793345A BE793345DA BE793345A BE 793345 A BE793345 A BE 793345A BE 793345D A BE793345D A BE 793345DA BE 793345 A BE793345 A BE 793345A
Authority
BE
Belgium
Prior art keywords
pyridopyridazine
derivatives
pyridopyridazine derivatives
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Takeda Chemical Industries Ltd
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.)
Publication date
Priority claimed from JP47001253A external-priority patent/JPS5130077B2/ja
Priority claimed from JP47079758A external-priority patent/JPS5147718B2/ja
Priority claimed from JP47115762A external-priority patent/JPS523391B2/ja
Priority claimed from JP47116469A external-priority patent/JPS523393B2/ja
Priority claimed from JP47116468A external-priority patent/JPS523392B2/ja
Publication of BE793345A publication Critical patent/BE793345A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
BE793345D 1971-12-28 PYRIDOPYRIDAZINE DERIVATIVES BE793345A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP47001253A JPS5130077B2 (en) 1971-12-28 1971-12-28
JP47079758A JPS5147718B2 (en) 1972-08-09 1972-08-09
JP47115762A JPS523391B2 (en) 1972-11-18 1972-11-18
JP47116469A JPS523393B2 (en) 1972-11-20 1972-11-20
JP47116468A JPS523392B2 (en) 1972-11-20 1972-11-20

Publications (1)

Publication Number Publication Date
BE793345A true BE793345A (en) 1973-06-27

Family

ID=27518080

Family Applications (1)

Application Number Title Priority Date Filing Date
BE793345D BE793345A (en) 1971-12-28 PYRIDOPYRIDAZINE DERIVATIVES

Country Status (7)

Country Link
BE (1) BE793345A (en)
CA (1) CA987323A (en)
CH (1) CH590278A5 (en)
DE (1) DE2262912A1 (en)
FR (1) FR2166101A1 (en)
NL (1) NL7217773A (en)
NO (1) NO137011C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811874B2 (en) * 1974-03-25 1983-03-04 武田薬品工業株式会社 Pyrido (3,4-D) Pyridazine Luino Seizouhou
JPS5811875B2 (en) * 1974-03-28 1983-03-04 武田薬品工業株式会社 Pyrido(3,4-D)pyridasine
JPS5134195A (en) * 1974-09-17 1976-03-23 Takeda Chemical Industries Ltd Pirido * 3 44d * piridajinruinoseizoho

Also Published As

Publication number Publication date
FR2166101A1 (en) 1973-08-10
FR2166101B1 (en) 1976-08-20
DE2262912A1 (en) 1973-07-12
NL7217773A (en) 1973-07-02
NO137011B (en) 1977-09-05
NO137011C (en) 1977-12-14
CH590278A5 (en) 1977-07-29
CA987323A (en) 1976-04-13

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