CA944352A - 4,7-dihydro-4-oxo-1h-pyrazolo (3,4-b) pyridine-5-carboxylic acid and ester derivatives - Google Patents

4,7-dihydro-4-oxo-1h-pyrazolo (3,4-b) pyridine-5-carboxylic acid and ester derivatives

Info

Publication number
CA944352A
CA944352A CA112,104A CA112104A CA944352A CA 944352 A CA944352 A CA 944352A CA 112104 A CA112104 A CA 112104A CA 944352 A CA944352 A CA 944352A
Authority
CA
Canada
Prior art keywords
pyrazolo
dihydro
oxo
pyridine
carboxylic acid
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
CA112,104A
Other versions
CA112104S (en
Inventor
Hans Hoehn
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.)
ER Squibb and Sons LLC
Original Assignee
ER Squibb and Sons LLC
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
Application filed by ER Squibb and Sons LLC filed Critical ER Squibb and Sons LLC
Application granted granted Critical
Publication of CA944352A publication Critical patent/CA944352A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/38—Nitrogen atoms
    • 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)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA112,104A 1970-05-28 1971-05-04 4,7-dihydro-4-oxo-1h-pyrazolo (3,4-b) pyridine-5-carboxylic acid and ester derivatives Expired CA944352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4165270A 1970-05-28 1970-05-28

Publications (1)

Publication Number Publication Date
CA944352A true CA944352A (en) 1974-03-26

Family

ID=21917637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,104A Expired CA944352A (en) 1970-05-28 1971-05-04 4,7-dihydro-4-oxo-1h-pyrazolo (3,4-b) pyridine-5-carboxylic acid and ester derivatives

Country Status (6)

Country Link
CA (1) CA944352A (en)
CH (1) CH528528A (en)
DE (1) DE2125631A1 (en)
FR (1) FR2100699B1 (en)
GB (1) GB1351522A (en)
HU (1) HU162493B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4622326A (en) * 1985-12-23 1986-11-11 Hoechst-Roussel Pharmaceuticals Inc. 6H-isoxazolo(5,4-d)pyrazolo(3,4-b)pyridines, and their use as antihypertensive and analgesic agents

Also Published As

Publication number Publication date
FR2100699A1 (en) 1972-03-24
FR2100699B1 (en) 1974-11-15
GB1351522A (en) 1974-05-01
DE2125631A1 (en) 1971-12-09
HU162493B (en) 1973-02-28
CH528528A (en) 1972-09-30

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