CH528528A - Procédé de préparation d'esters 4,7-dihydro-4-oxo-1H-pyrazolo (3,4-b) pyridine-5-carboxyliques - Google Patents
Procédé de préparation d'esters 4,7-dihydro-4-oxo-1H-pyrazolo (3,4-b) pyridine-5-carboxyliquesInfo
- Publication number
- CH528528A CH528528A CH710271A CH710271A CH528528A CH 528528 A CH528528 A CH 528528A CH 710271 A CH710271 A CH 710271A CH 710271 A CH710271 A CH 710271A CH 528528 A CH528528 A CH 528528A
- Authority
- CH
- Switzerland
- Prior art keywords
- pyrazolo
- dihydro
- oxo
- pyridine
- preparing
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4165270A | 1970-05-28 | 1970-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH528528A true CH528528A (fr) | 1972-09-30 |
Family
ID=21917637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH710271A CH528528A (fr) | 1970-05-28 | 1971-05-13 | Procédé de préparation d'esters 4,7-dihydro-4-oxo-1H-pyrazolo (3,4-b) pyridine-5-carboxyliques |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA944352A (fr) |
CH (1) | CH528528A (fr) |
DE (1) | DE2125631A1 (fr) |
FR (1) | FR2100699B1 (fr) |
GB (1) | GB1351522A (fr) |
HU (1) | HU162493B (fr) |
Families Citing this family (1)
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 |
-
1971
- 1971-05-04 CA CA112,104A patent/CA944352A/en not_active Expired
- 1971-05-07 GB GB1376771A patent/GB1351522A/en not_active Expired
- 1971-05-13 CH CH710271A patent/CH528528A/fr not_active IP Right Cessation
- 1971-05-24 DE DE19712125631 patent/DE2125631A1/de active Pending
- 1971-05-25 HU HUSU000628 patent/HU162493B/hu unknown
- 1971-05-28 FR FR7119607A patent/FR2100699B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2100699A1 (fr) | 1972-03-24 |
HU162493B (fr) | 1973-02-28 |
GB1351522A (en) | 1974-05-01 |
FR2100699B1 (fr) | 1974-11-15 |
DE2125631A1 (de) | 1971-12-09 |
CA944352A (en) | 1974-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |