GB1399470A - Derivatives of pyrazolopyridine ketones - Google Patents

Derivatives of pyrazolopyridine ketones

Info

Publication number
GB1399470A
GB1399470A GB515275A GB515275A GB1399470A GB 1399470 A GB1399470 A GB 1399470A GB 515275 A GB515275 A GB 515275A GB 515275 A GB515275 A GB 515275A GB 1399470 A GB1399470 A GB 1399470A
Authority
GB
United Kingdom
Prior art keywords
alkyl
hydrogen
phenyl
pyrazolopyridine
ketones
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
GB515275A
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
Publication of GB1399470A publication Critical patent/GB1399470A/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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

1399470 Derivatives of pyrazolopyridine ketones E R SQUIBB & SONS Inc 23 May 1972 [25 May 1971] 5152/75 Divided out of 1399469 Heading C2C Novel compounds of the Formula I wherein R 1 is hydrogen, alkyl, phenyl or phenylalkylene, R 2 is hydrogen or alkyl, R 5 is alkyl, C 3-8 cycloalkyl, phenyl or R 7 , R 8 -phenyl, R 6 is hydrogen, alkyl or phenyl and R 7 and R 8 each is hydrogen, halogen or trifluoromethyl, wherein alkyl and alkylene radicals have up to 8 carbon atoms, and salts thereof may be prepared by alkylation of the corresponding 4- hydroxy compound and for compounds of the Formula I wherein R 1 is hydrogen, followed or preceded by hydrogenation to remove an aralkyl group at R 1 . The starting materials may be prepared as disclosed in Specification 1,399,469.
GB515275A 1971-05-25 1972-05-23 Derivatives of pyrazolopyridine ketones Expired GB1399470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14681271A 1971-05-25 1971-05-25

Publications (1)

Publication Number Publication Date
GB1399470A true GB1399470A (en) 1975-07-02

Family

ID=22519094

Family Applications (2)

Application Number Title Priority Date Filing Date
GB515275A Expired GB1399470A (en) 1971-05-25 1972-05-23 Derivatives of pyrazolopyridine ketones
GB2422372A Expired GB1399469A (en) 1971-05-25 1972-05-23 Amino derivatives of pyrazolopyridine ketones

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2422372A Expired GB1399469A (en) 1971-05-25 1972-05-23 Amino derivatives of pyrazolopyridine ketones

Country Status (7)

Country Link
JP (1) JPS5629671B1 (en)
CA (1) CA999298A (en)
CH (1) CH557368A (en)
DE (1) DE2225433A1 (en)
FR (1) FR2139035B1 (en)
GB (2) GB1399470A (en)
HU (1) HU165257B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855675A (en) * 1971-05-25 1974-12-24 Squibb & Sons Inc 1-(2-furanylmethyl)-1h-pyrazolo(3,4-b)pyridine-5-methanones
CA997351A (en) * 1973-05-17 1976-09-21 E.R. Squibb And Sons Amino derivatives of pyrazolopyridine ketones
US3983128A (en) * 1973-12-12 1976-09-28 E. R. Squibb & Sons, Inc. Alcohol derivatives of pyrazolo[3,4-b]pyridines
GB1593417A (en) * 1976-12-22 1981-07-15 Squibb & Sons Inc Carbocyclic-fused pyrazolopyridine derivatives
EP0193329A3 (en) * 1985-02-22 1987-08-19 Beecham Group Plc Pyrazolopyridines, their preparation and pharmaceutical compositions containing them
US5300498A (en) * 1993-06-04 1994-04-05 Hoechst-Roussel Pharmaceuticals Incorporated 6-piperazinyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acids, esters, amides and related compounds

Also Published As

Publication number Publication date
DE2225433A1 (en) 1972-12-07
HU165257B (en) 1974-07-27
CH557368A (en) 1974-12-31
CA999298A (en) 1976-11-02
GB1399469A (en) 1975-07-02
JPS5629671B1 (en) 1981-07-09
FR2139035B1 (en) 1975-10-31
FR2139035A1 (en) 1973-01-05

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Legal Events

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