GB1406270A - Pyridopyridazine derivatives - Google Patents

Pyridopyridazine derivatives

Info

Publication number
GB1406270A
GB1406270A GB5987972A GB5987972A GB1406270A GB 1406270 A GB1406270 A GB 1406270A GB 5987972 A GB5987972 A GB 5987972A GB 5987972 A GB5987972 A GB 5987972A GB 1406270 A GB1406270 A GB 1406270A
Authority
GB
United Kingdom
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
GB5987972A
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 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
Publication of GB1406270A publication Critical patent/GB1406270A/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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B19/00—Special folding or telescoping of umbrellas
GB5987972A 1972-08-09 1972-12-28 Pyridopyridazine derivatives Expired GB1406270A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
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
GB1406270A true GB1406270A (en) 1975-09-17

Family

ID=27466349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5987972A Expired GB1406270A (en) 1972-08-09 1972-12-28 Pyridopyridazine derivatives

Country Status (4)

Country Link
AU (1) AU468598B2 (en)
CH (1) CH586701A5 (en)
GB (1) GB1406270A (en)
SE (1) SE400559B (en)

Also Published As

Publication number Publication date
SE400559B (en) 1978-04-03
AU468598B2 (en) 1974-06-20
AU5025772A (en) 1974-06-20
CH586701A5 (en) 1977-04-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee