CA1003419A - Process for the production of pyrazolo (3,4-b) pyridines - Google Patents

Process for the production of pyrazolo (3,4-b) pyridines

Info

Publication number
CA1003419A
CA1003419A CA154,705A CA154705A CA1003419A CA 1003419 A CA1003419 A CA 1003419A CA 154705 A CA154705 A CA 154705A CA 1003419 A CA1003419 A CA 1003419A
Authority
CA
Canada
Prior art keywords
pyrazolo
pyridines
production
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
CA154,705A
Other languages
English (en)
Other versions
CA154705S (en
Inventor
Theodor Denzel
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 CA1003419A publication Critical patent/CA1003419A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
CA154,705A 1971-11-23 1972-10-24 Process for the production of pyrazolo (3,4-b) pyridines Expired CA1003419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20156971A 1971-11-23 1971-11-23

Publications (1)

Publication Number Publication Date
CA1003419A true CA1003419A (en) 1977-01-11

Family

ID=22746355

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,705A Expired CA1003419A (en) 1971-11-23 1972-10-24 Process for the production of pyrazolo (3,4-b) pyridines

Country Status (5)

Country Link
JP (1) JPS4857995A (enrdf_load_stackoverflow)
AR (1) AR200117A1 (enrdf_load_stackoverflow)
CA (1) CA1003419A (enrdf_load_stackoverflow)
CH (1) CH553799A (enrdf_load_stackoverflow)
NL (1) NL7215325A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004056823A1 (en) 2002-12-23 2004-07-08 Glaxo Group Limited PYRAZOLO[3,4-b]PYRIDINE COMPOUNDS, AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS
US7709497B2 (en) 2004-03-16 2010-05-04 Glaxo Group Limited Pyrazolo[3,4-b]pyridine compound, and its use as a PDE4 inhibitor
US8067408B2 (en) 2008-02-06 2011-11-29 Glaxo Group Limited Dual pharmacophores—PDE4-muscarinic antagonistics
US8071588B2 (en) 2008-02-06 2011-12-06 Glaxo Group Limited Dual pharmacophores—PDE4-muscarinic antagonistics
US8084449B2 (en) 2008-02-06 2011-12-27 Glaxo Group Limited Dual pharmacophores—PDE4-muscarinic antagonistics

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840546A (en) * 1972-11-15 1974-10-08 Squibb & Sons Inc Amino derivatives of pyrazolopyridine carboxamides
WO2002078705A1 (fr) * 2001-03-28 2002-10-10 Takeda Chemical Industries, Ltd. Inducteur hsp
KR100912145B1 (ko) * 2004-12-17 2009-08-14 에프. 호프만-라 로슈 아게 Ｇａｂａ-ｂ 알로스테릭성 개선제로서 티에노-피리딘유도체

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004056823A1 (en) 2002-12-23 2004-07-08 Glaxo Group Limited PYRAZOLO[3,4-b]PYRIDINE COMPOUNDS, AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS
US7528148B2 (en) 2002-12-23 2009-05-05 Glaxo Group Limited Pyrazolo[3,4-B]pyridine compounds, and their use as phosphodiesterase inhibitors
US7709497B2 (en) 2004-03-16 2010-05-04 Glaxo Group Limited Pyrazolo[3,4-b]pyridine compound, and its use as a PDE4 inhibitor
US8067408B2 (en) 2008-02-06 2011-11-29 Glaxo Group Limited Dual pharmacophores—PDE4-muscarinic antagonistics
US8071588B2 (en) 2008-02-06 2011-12-06 Glaxo Group Limited Dual pharmacophores—PDE4-muscarinic antagonistics
US8084449B2 (en) 2008-02-06 2011-12-27 Glaxo Group Limited Dual pharmacophores—PDE4-muscarinic antagonistics

Also Published As

Publication number Publication date
JPS4857995A (enrdf_load_stackoverflow) 1973-08-14
AR200117A1 (es) 1974-10-24
CH553799A (fr) 1974-09-13
NL7215325A (enrdf_load_stackoverflow) 1973-05-25

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