CH620927A5 - Process for the preparation of 3-alkyl-7-oxoalkylxanthines - Google Patents
Process for the preparation of 3-alkyl-7-oxoalkylxanthines Download PDFInfo
- Publication number
- CH620927A5 CH620927A5 CH1561475A CH1561475A CH620927A5 CH 620927 A5 CH620927 A5 CH 620927A5 CH 1561475 A CH1561475 A CH 1561475A CH 1561475 A CH1561475 A CH 1561475A CH 620927 A5 CH620927 A5 CH 620927A5
- Authority
- CH
- Switzerland
- Prior art keywords
- carbon atoms
- alkyl
- water
- shark
- oxoalkylxanthines
- Prior art date
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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742457666 DE2457666A1 (de) | 1974-12-06 | 1974-12-06 | Arzneimittel, verfahren zur herstellung von dafuer geeigneten wirkstoffen und diese oxoalkyl-dialkyl-xanthine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620927A5 true CH620927A5 (en) | 1980-12-31 |
Family
ID=5932662
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1561475A CH620927A5 (en) | 1974-12-06 | 1975-12-02 | Process for the preparation of 3-alkyl-7-oxoalkylxanthines |
| CH18480A CH622520A5 (en) | 1974-12-06 | 1980-01-10 | Process for the preparation of novel 3-alkyl-7-oxoalkylxanthines |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH18480A CH622520A5 (en) | 1974-12-06 | 1980-01-10 | Process for the preparation of novel 3-alkyl-7-oxoalkylxanthines |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5182296A (xx) |
| AT (1) | AT346362B (xx) |
| AU (1) | AU496825B2 (xx) |
| BE (1) | BE835521A (xx) |
| CH (2) | CH620927A5 (xx) |
| DE (1) | DE2457666A1 (xx) |
| DK (1) | DK550775A (xx) |
| ES (1) | ES442837A2 (xx) |
| FI (1) | FI753435A (xx) |
| FR (1) | FR2293205A2 (xx) |
| GB (1) | GB1533866A (xx) |
| NL (1) | NL7514243A (xx) |
| NO (1) | NO143706C (xx) |
| SE (1) | SE7513759L (xx) |
| ZA (1) | ZA757303B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH608236A5 (xx) * | 1974-01-22 | 1978-12-29 | Wuelfing J A Fa | |
| CA2030112A1 (en) * | 1989-11-24 | 1991-05-25 | Yasuo Ito | Xanthine compound, method for preparing thereof, and a pharmaceutical composition comprising the same |
| EP0570831A2 (de) * | 1992-05-20 | 1993-11-24 | Hoechst Aktiengesellschaft | Verwendung von Xanthinderivaten zur Behandlung von Nervenschädigungen nach Unterbrechung der Blutzirkulation |
-
1974
- 1974-12-06 DE DE19742457666 patent/DE2457666A1/de not_active Withdrawn
-
1975
- 1975-11-13 BE BE161822A patent/BE835521A/xx not_active IP Right Cessation
- 1975-11-13 NO NO753806A patent/NO143706C/no unknown
- 1975-11-20 ZA ZA757303A patent/ZA757303B/xx unknown
- 1975-11-20 ES ES442837A patent/ES442837A2/es not_active Expired
- 1975-11-28 AU AU87115/75A patent/AU496825B2/en not_active Expired
- 1975-12-01 FR FR7536754A patent/FR2293205A2/fr active Granted
- 1975-12-02 CH CH1561475A patent/CH620927A5/de not_active IP Right Cessation
- 1975-12-05 JP JP50144049A patent/JPS5182296A/ja active Pending
- 1975-12-05 SE SE7513759A patent/SE7513759L/xx unknown
- 1975-12-05 NL NL7514243A patent/NL7514243A/xx not_active Application Discontinuation
- 1975-12-05 GB GB50049/75A patent/GB1533866A/en not_active Expired
- 1975-12-05 FI FI753435A patent/FI753435A/fi not_active Application Discontinuation
- 1975-12-05 DK DK550775A patent/DK550775A/da unknown
-
1977
- 1977-07-07 AT AT486877A patent/AT346362B/de not_active IP Right Cessation
-
1980
- 1980-01-10 CH CH18480A patent/CH622520A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE835521A (fr) | 1976-03-01 |
| AU496825B2 (en) | 1978-11-02 |
| CH622520A5 (en) | 1981-04-15 |
| SE7513759L (sv) | 1976-06-08 |
| DE2457666A1 (de) | 1976-06-10 |
| ATA486877A (de) | 1978-03-15 |
| FI753435A (xx) | 1976-06-07 |
| NO143706B (no) | 1980-12-22 |
| NO753806L (xx) | 1976-06-09 |
| FR2293205A2 (fr) | 1976-07-02 |
| FR2293205B2 (xx) | 1978-08-25 |
| JPS5182296A (en) | 1976-07-19 |
| ES442837A2 (es) | 1977-05-16 |
| NL7514243A (nl) | 1976-06-09 |
| NO143706C (no) | 1981-04-01 |
| AU8711575A (en) | 1977-06-02 |
| ZA757303B (en) | 1976-11-24 |
| GB1533866A (en) | 1978-11-29 |
| AT346362B (de) | 1978-11-10 |
| DK550775A (da) | 1976-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |