CA987323A - Pyridopyridazine derivatives - Google Patents

Pyridopyridazine derivatives

Info

Publication number
CA987323A
CA987323A CA159,875A CA159875A CA987323A CA 987323 A CA987323 A CA 987323A CA 159875 A CA159875 A CA 159875A CA 987323 A CA987323 A CA 987323A
Authority
CA
Canada
Prior art keywords
pyridopyridazine
derivatives
pyridopyridazine derivatives
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA159,875A
Other versions
CA159875S (en
Inventor
Kiyoshi Omura
Shojiro Yurugi
Katsumi Ito
Akio Miyake
Shintaro Kikuchi
Yoshikazu Oka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda Pharmaceutical Co Ltd
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.)
Filing date
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
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Application granted granted Critical
Publication of CA987323A publication Critical patent/CA987323A/en
Expired legal-status Critical Current

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
CA159,875A 1971-12-28 1972-12-27 Pyridopyridazine derivatives Expired CA987323A (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
CA987323A true CA987323A (en) 1976-04-13

Family

ID=27518080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,875A Expired CA987323A (en) 1971-12-28 1972-12-27 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
NO137011C (en) 1977-12-14
NO137011B (en) 1977-09-05
DE2262912A1 (en) 1973-07-12
FR2166101B1 (en) 1976-08-20
BE793345A (en) 1973-06-27
NL7217773A (en) 1973-07-02
CH590278A5 (en) 1977-07-29

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