NL7507976A - PROCESS FOR THE PREPARATION OF HYDROXYALKYLXANTHINS. - Google Patents
PROCESS FOR THE PREPARATION OF HYDROXYALKYLXANTHINS.Info
- Publication number
- NL7507976A NL7507976A NL7507976A NL7507976A NL7507976A NL 7507976 A NL7507976 A NL 7507976A NL 7507976 A NL7507976 A NL 7507976A NL 7507976 A NL7507976 A NL 7507976A NL 7507976 A NL7507976 A NL 7507976A
- Authority
- NL
- Netherlands
- Prior art keywords
- hydroxyalkylxanthins
- preparation
- 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
- C07D473/10—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 with methyl radicals in positions 3 and 7, e.g. theobromine
-
- 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
-
- 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
- C07D473/08—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 with methyl radicals in positions 1 and 3, e.g. theophylline
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48587074A | 1974-07-05 | 1974-07-05 | |
| US05/485,869 US4108995A (en) | 1973-07-11 | 1974-07-05 | Hydroxyhexyl-alkylxanthines and pharmaceutical compositions containing hydroxyhexyl-alkylxanthines |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7507976A true NL7507976A (en) | 1976-01-07 |
| NL166476B NL166476B (en) | 1981-03-16 |
| NL166476C NL166476C (en) | 1981-08-17 |
Family
ID=27048497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7507976.A NL166476C (en) | 1974-07-05 | 1975-07-04 | METHOD FOR PREPARING HYDROXYALKYL XANTHINES |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5250800B2 (en) |
| AR (1) | AR210330A1 (en) |
| AT (1) | AT339917B (en) |
| CA (1) | CA1062710A (en) |
| CH (2) | CH622519A5 (en) |
| DK (1) | DK140214B (en) |
| ES (1) | ES439141A1 (en) |
| FI (1) | FI59249C (en) |
| FR (1) | FR2277089A1 (en) |
| GB (1) | GB1500039A (en) |
| LU (1) | LU72897A1 (en) |
| NL (1) | NL166476C (en) |
| NO (1) | NO143224C (en) |
| SE (2) | SE420097B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH664568A5 (en) * | 1984-01-12 | 1988-03-15 | Sandoz Ag | 8-ALPHA ACYLAMINE OERGOLINE. |
| DE3525801A1 (en) * | 1985-07-19 | 1987-01-22 | Hoechst Ag | TERTIA HYDROXYALKYLXANTHINE, METHOD FOR THE PRODUCTION THEREOF, THE MEDICINAL PRODUCT CONTAINING IT AND THEIR USE |
| EP0570831A2 (en) * | 1992-05-20 | 1993-11-24 | Hoechst Aktiengesellschaft | Use of Xanthinderivatives for treatment of cerebral nerve dammages after disruption of the blood circulation |
-
1975
- 1975-07-02 CH CH859275A patent/CH622519A5/en not_active IP Right Cessation
- 1975-07-03 JP JP50081475A patent/JPS5250800B2/ja not_active Expired
- 1975-07-03 LU LU72897A patent/LU72897A1/xx unknown
- 1975-07-03 DK DK301775AA patent/DK140214B/en not_active IP Right Cessation
- 1975-07-04 FI FI751958A patent/FI59249C/en not_active IP Right Cessation
- 1975-07-04 AR AR258487A patent/AR210330A1/en active
- 1975-07-04 ES ES439141A patent/ES439141A1/en not_active Expired
- 1975-07-04 CA CA230,790A patent/CA1062710A/en not_active Expired
- 1975-07-04 FR FR7521043A patent/FR2277089A1/en active Granted
- 1975-07-04 NO NO752423A patent/NO143224C/en unknown
- 1975-07-04 AT AT517275A patent/AT339917B/en not_active IP Right Cessation
- 1975-07-04 SE SE7507726A patent/SE420097B/en not_active IP Right Cessation
- 1975-07-04 NL NL7507976.A patent/NL166476C/en not_active IP Right Cessation
- 1975-07-04 GB GB28341/75A patent/GB1500039A/en not_active Expired
-
1978
- 1978-07-14 SE SE7807853A patent/SE427183B/en not_active IP Right Cessation
-
1980
- 1980-04-29 CH CH331680A patent/CH622018A5/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1500039A (en) | 1978-02-08 |
| DK140214B (en) | 1979-07-09 |
| DK301775A (en) | 1976-01-06 |
| NL166476C (en) | 1981-08-17 |
| ATA517275A (en) | 1977-03-15 |
| AT339917B (en) | 1977-11-10 |
| FR2277089B1 (en) | 1978-03-17 |
| AU8275575A (en) | 1977-01-06 |
| DK140214C (en) | 1979-12-03 |
| JPS5134194A (en) | 1976-03-23 |
| NO752423L (en) | 1976-01-06 |
| SE427183B (en) | 1983-03-14 |
| SE7807853L (en) | 1978-07-14 |
| NO143224B (en) | 1980-09-22 |
| CA1062710A (en) | 1979-09-18 |
| AR210330A1 (en) | 1977-07-29 |
| CH622519A5 (en) | 1981-04-15 |
| CH622018A5 (en) | 1981-03-13 |
| FR2277089A1 (en) | 1976-01-30 |
| LU72897A1 (en) | 1976-05-31 |
| FI751958A (en) | 1976-01-06 |
| SE7507726L (en) | 1976-01-06 |
| FI59249B (en) | 1981-03-31 |
| FI59249C (en) | 1981-07-10 |
| NO143224C (en) | 1981-01-02 |
| ES439141A1 (en) | 1977-02-16 |
| NL166476B (en) | 1981-03-16 |
| JPS5250800B2 (en) | 1977-12-27 |
| SE420097B (en) | 1981-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |