ES445300A1 - Un procedimiento para la preparacion de nuevos derivados de xantina. - Google Patents
Un procedimiento para la preparacion de nuevos derivados de xantina.Info
- Publication number
- ES445300A1 ES445300A1 ES445300A ES445300A ES445300A1 ES 445300 A1 ES445300 A1 ES 445300A1 ES 445300 A ES445300 A ES 445300A ES 445300 A ES445300 A ES 445300A ES 445300 A1 ES445300 A1 ES 445300A1
- Authority
- ES
- Spain
- Prior art keywords
- compound
- formula
- methyl
- reaction
- alkali metal
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752507554 DE2507554A1 (de) | 1975-02-21 | 1975-02-21 | 7-(oxoalkyl)-1,3-dialkylxanthine, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES445300A1 true ES445300A1 (es) | 1977-06-01 |
Family
ID=5939490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES445300A Expired ES445300A1 (es) | 1975-02-21 | 1976-02-18 | Un procedimiento para la preparacion de nuevos derivados de xantina. |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS51110597A (es) |
| AR (2) | AR211534A1 (es) |
| AT (1) | AT346859B (es) |
| AU (1) | AU506523B2 (es) |
| BE (1) | BE838467A (es) |
| CH (1) | CH617700A5 (es) |
| DE (1) | DE2507554A1 (es) |
| DK (1) | DK72576A (es) |
| ES (1) | ES445300A1 (es) |
| FI (1) | FI760417A (es) |
| FR (1) | FR2301257A1 (es) |
| GB (1) | GB1496315A (es) |
| HU (1) | HU174406B (es) |
| IE (1) | IE42944B1 (es) |
| NL (1) | NL7601623A (es) |
| SE (1) | SE7601454L (es) |
| ZA (1) | ZA76606B (es) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2330742C2 (de) * | 1973-06-16 | 1982-07-29 | Hoechst Ag, 6000 Frankfurt | 1-(Oxoalkyl)-3-methyl-7-alkylxanthine, Verfahren zu ihrer Herstellung und diese enthaltende Arzneimittel |
| CH608236A5 (es) * | 1974-01-22 | 1978-12-29 | Wuelfing J A Fa |
-
1975
- 1975-02-21 DE DE19752507554 patent/DE2507554A1/de not_active Withdrawn
-
1976
- 1976-01-26 IE IE144/76A patent/IE42944B1/en unknown
- 1976-02-03 ZA ZA606A patent/ZA76606B/xx unknown
- 1976-02-09 FR FR7603412A patent/FR2301257A1/fr active Granted
- 1976-02-10 SE SE7601454A patent/SE7601454L/xx unknown
- 1976-02-10 AT AT89676A patent/AT346859B/de not_active IP Right Cessation
- 1976-02-11 BE BE164249A patent/BE838467A/xx not_active IP Right Cessation
- 1976-02-11 GB GB5325/76A patent/GB1496315A/en not_active Expired
- 1976-02-13 AR AR262264A patent/AR211534A1/es active
- 1976-02-18 ES ES445300A patent/ES445300A1/es not_active Expired
- 1976-02-18 NL NL7601623A patent/NL7601623A/xx not_active Application Discontinuation
- 1976-02-19 FI FI760417A patent/FI760417A/fi not_active Application Discontinuation
- 1976-02-20 HU HU76WU23A patent/HU174406B/hu unknown
- 1976-02-20 DK DK72576*#A patent/DK72576A/da unknown
- 1976-02-20 JP JP51017836A patent/JPS51110597A/ja active Pending
- 1976-02-20 CH CH210576A patent/CH617700A5/de not_active IP Right Cessation
- 1976-02-23 AU AU11337/76A patent/AU506523B2/en not_active Expired
- 1976-10-15 AR AR265212A patent/AR210771A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| AU506523B2 (en) | 1980-01-10 |
| DK72576A (da) | 1976-08-22 |
| IE42944L (en) | 1976-08-21 |
| GB1496315A (en) | 1977-12-30 |
| IE42944B1 (en) | 1980-11-19 |
| CH617700A5 (en) | 1980-06-13 |
| NL7601623A (nl) | 1976-08-24 |
| ATA89676A (de) | 1978-04-15 |
| BE838467A (fr) | 1976-08-11 |
| AT346859B (de) | 1978-11-27 |
| JPS51110597A (es) | 1976-09-30 |
| FR2301257A1 (fr) | 1976-09-17 |
| FI760417A (es) | 1976-08-22 |
| FR2301257B1 (es) | 1979-06-29 |
| SE7601454L (sv) | 1976-08-23 |
| ZA76606B (en) | 1977-01-26 |
| AU1133776A (en) | 1977-09-01 |
| DE2507554A1 (de) | 1976-09-02 |
| AR210771A1 (es) | 1977-09-15 |
| AR211534A1 (es) | 1978-01-30 |
| HU174406B (hu) | 1979-12-28 |
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