CH622519A5 - Process for the preparation of hydroxyalkylxanthines - Google Patents
Process for the preparation of hydroxyalkylxanthines Download PDFInfo
- Publication number
- CH622519A5 CH622519A5 CH859275A CH859275A CH622519A5 CH 622519 A5 CH622519 A5 CH 622519A5 CH 859275 A CH859275 A CH 859275A CH 859275 A CH859275 A CH 859275A CH 622519 A5 CH622519 A5 CH 622519A5
- Authority
- CH
- Switzerland
- Prior art keywords
- water
- xanthine
- acid
- compounds
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
CH622519A5 true CH622519A5 (en) | 1981-04-15 |
Family
ID=27048497
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH859275A CH622519A5 (en) | 1974-07-05 | 1975-07-02 | Process for the preparation of hydroxyalkylxanthines |
CH331680A CH622018A5 (en) | 1974-07-05 | 1980-04-29 | Process for the preparation of novel monoalkenyldialkylxanthines |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH331680A CH622018A5 (en) | 1974-07-05 | 1980-04-29 | Process for the preparation of novel monoalkenyldialkylxanthines |
Country Status (14)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5077298A (en) * | 1984-01-12 | 1991-12-31 | Sandoz Ltd. | Novel 8α-acylaminoergolines |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3525801A1 (de) * | 1985-07-19 | 1987-01-22 | Hoechst Ag | Tertiaere hydroxyalkylxanthine, verfahren zu ihrer herstellung, die sie enthaltenden arzneimittel und ihre verwendung |
EP0570831A2 (de) * | 1992-05-20 | 1993-11-24 | Hoechst Aktiengesellschaft | Verwendung von Xanthinderivaten zur Behandlung von Nervenschädigungen nach Unterbrechung der Blutzirkulation |
-
1975
- 1975-07-02 CH CH859275A patent/CH622519A5/de not_active IP Right Cessation
- 1975-07-03 DK DK301775AA patent/DK140214B/da 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
- 1975-07-04 ES ES439141A patent/ES439141A1/es not_active Expired
- 1975-07-04 SE SE7507726A patent/SE420097B/xx not_active IP Right Cessation
- 1975-07-04 FI FI751958A patent/FI59249C/fi not_active IP Right Cessation
- 1975-07-04 AT AT517275A patent/AT339917B/de not_active IP Right Cessation
- 1975-07-04 FR FR7521043A patent/FR2277089A1/fr active Granted
- 1975-07-04 GB GB28341/75A patent/GB1500039A/en not_active Expired
- 1975-07-04 CA CA230,790A patent/CA1062710A/en not_active Expired
- 1975-07-04 NL NL7507976.A patent/NL166476C/xx not_active IP Right Cessation
- 1975-07-04 AR AR258487A patent/AR210330A1/es active
- 1975-07-04 NO NO752423A patent/NO143224C/no unknown
-
1978
- 1978-07-14 SE SE7807853A patent/SE427183B/sv not_active IP Right Cessation
-
1980
- 1980-04-29 CH CH331680A patent/CH622018A5/de not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5077298A (en) * | 1984-01-12 | 1991-12-31 | Sandoz Ltd. | Novel 8α-acylaminoergolines |
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |