CA924721A - Hydrazines and hydrazones of pyrazolopyridine carboxylic acids and esters - Google Patents

Hydrazines and hydrazones of pyrazolopyridine carboxylic acids and esters

Info

Publication number
CA924721A
CA924721A CA084791A CA84791A CA924721A CA 924721 A CA924721 A CA 924721A CA 084791 A CA084791 A CA 084791A CA 84791 A CA84791 A CA 84791A CA 924721 A CA924721 A CA 924721A
Authority
CA
Canada
Prior art keywords
hydrazones
hydrazines
esters
carboxylic acids
pyrazolopyridine
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
CA084791A
Other languages
English (en)
Inventor
Chasin Mark
Hoehn Hans
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
Priority to CA143563A priority Critical patent/CA928300A/en
Application granted granted Critical
Publication of CA924721A publication Critical patent/CA924721A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic 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
    • C07D231/14Heterocyclic 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
    • C07D231/38Nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic 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
    • C07D471/02Heterocyclic 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
    • C07D471/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA084791A 1969-06-16 1970-06-05 Hydrazines and hydrazones of pyrazolopyridine carboxylic acids and esters Expired CA924721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA143563A CA928300A (en) 1969-06-16 1972-05-31 Hydrazines and hydrazones of pyrazolopyridine carboxylic acids and esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83367269A 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
CA924721A true CA924721A (en) 1973-04-17

Family

ID=25264992

Family Applications (1)

Application Number Title Priority Date Filing Date
CA084791A Expired CA924721A (en) 1969-06-16 1970-06-05 Hydrazines and hydrazones of pyrazolopyridine carboxylic acids and esters

Country Status (9)

Country Link
JP (1) JPS518957B1 (enrdf_load_stackoverflow)
CA (1) CA924721A (enrdf_load_stackoverflow)
CH (1) CH525227A (enrdf_load_stackoverflow)
DE (1) DE2028869A1 (enrdf_load_stackoverflow)
DK (1) DK137241B (enrdf_load_stackoverflow)
GB (1) GB1317797A (enrdf_load_stackoverflow)
HU (1) HU162876B (enrdf_load_stackoverflow)
IE (1) IE34268B1 (enrdf_load_stackoverflow)
NL (1) NL165461C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669950A (en) * 1970-12-01 1972-06-13 Squibb & Sons Inc DIPYRAZOLO{8 3,4-b:3,4d{9 -PYRIDIN-3-ONES
PL200923B1 (pl) 1999-08-21 2009-02-27 Nycomed Gmbh Lek zawierający inhibitor PDE w połączeniu z agonistą receptoraß₂ -adrenergicznego oraz zastosowanie połączenia roflumilastu i salmeterolu

Also Published As

Publication number Publication date
IE34268B1 (en) 1975-03-19
NL165461B (nl) 1980-11-17
HU162876B (enrdf_load_stackoverflow) 1973-04-28
CH525227A (fr) 1972-07-15
JPS518957B1 (enrdf_load_stackoverflow) 1976-03-22
DK137241C (enrdf_load_stackoverflow) 1978-07-10
GB1317797A (en) 1973-05-23
DE2028869A1 (enrdf_load_stackoverflow) 1970-12-23
IE34268L (en) 1970-12-16
DK137241B (da) 1978-02-06
NL165461C (nl) 1981-04-15
NL7008768A (enrdf_load_stackoverflow) 1970-12-18

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