FR2187789A1 - 4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpd - Google Patents
4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpdInfo
- Publication number
- FR2187789A1 FR2187789A1 FR7320985A FR7320985A FR2187789A1 FR 2187789 A1 FR2187789 A1 FR 2187789A1 FR 7320985 A FR7320985 A FR 7320985A FR 7320985 A FR7320985 A FR 7320985A FR 2187789 A1 FR2187789 A1 FR 2187789A1
- Authority
- FR
- France
- Prior art keywords
- hydroxy
- dehalogenation
- pyrazolo
- pyrimidine
- halo
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—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 |
|---|---|---|---|
| AT495772A AT330186B (de) | 1972-06-08 | 1972-06-08 | Verfahren zur herstellung von 4-hydroxy-pyrazolo- (3,4-d) -pyrimidin oder von dessen salzen bzw. chelaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2187789A1 true FR2187789A1 (en) | 1974-01-18 |
| FR2187789B3 FR2187789B3 (enrdf_load_stackoverflow) | 1976-05-28 |
Family
ID=3570309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7320985A Granted FR2187789A1 (en) | 1972-06-08 | 1973-06-08 | 4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpd |
Country Status (10)
-
1972
- 1972-06-08 AT AT495772A patent/AT330186B/de active
-
1973
- 1973-01-22 DD DD16838173A patent/DD104300A5/xx unknown
- 1973-02-22 ES ES411923A patent/ES411923A1/es not_active Expired
- 1973-02-28 JP JP2337373A patent/JPS4930389A/ja active Pending
- 1973-03-26 DE DE19732315003 patent/DE2315003A1/de active Pending
- 1973-03-26 DE DE19732315004 patent/DE2315004A1/de active Pending
- 1973-05-30 NL NL7307518A patent/NL7307518A/xx unknown
- 1973-06-07 AU AU56695/73A patent/AU5669573A/en not_active Expired
- 1973-06-07 BE BE132003A patent/BE800604A/xx unknown
- 1973-06-07 CA CA173,459A patent/CA1002949A/en not_active Expired
- 1973-06-08 FR FR7320985A patent/FR2187789A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4930389A (enrdf_load_stackoverflow) | 1974-03-18 |
| DE2315004A1 (de) | 1973-12-20 |
| CA1002949A (en) | 1977-01-04 |
| FR2187789B3 (enrdf_load_stackoverflow) | 1976-05-28 |
| NL7307518A (enrdf_load_stackoverflow) | 1973-12-11 |
| DD104300A5 (enrdf_load_stackoverflow) | 1974-03-05 |
| ES411923A1 (es) | 1976-01-01 |
| ATA495772A (de) | 1975-09-15 |
| AT330186B (de) | 1976-06-25 |
| DE2315003A1 (de) | 1973-12-20 |
| AU5669573A (en) | 1974-12-12 |
| BE800604A (fr) | 1973-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |