CA1083571A - Process for the production of basic substituted alkyl theophylline - Google Patents
Process for the production of basic substituted alkyl theophyllineInfo
- Publication number
- CA1083571A CA1083571A CA295,031A CA295031A CA1083571A CA 1083571 A CA1083571 A CA 1083571A CA 295031 A CA295031 A CA 295031A CA 1083571 A CA1083571 A CA 1083571A
- Authority
- CA
- Canada
- Prior art keywords
- process according
- formula
- groups
- hydrogenation
- solvent
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772701629 DE2701629A1 (de) | 1977-01-17 | 1977-01-17 | Verfahren zur herstellung von basisch substituierten alkyltheophyllinderivaten |
DEP2701629.1 | 1977-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1083571A true CA1083571A (en) | 1980-08-12 |
Family
ID=5998819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA295,031A Expired CA1083571A (en) | 1977-01-17 | 1978-01-16 | Process for the production of basic substituted alkyl theophylline |
Country Status (22)
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL128805C (US06534493-20030318-C00166.png) * | 1965-11-16 | |||
US3728346A (en) * | 1971-07-16 | 1973-04-17 | Degussa | Hydroxyphenylhydroxyalkylaminoalkyltheophyllines |
-
1977
- 1977-01-17 DE DE19772701629 patent/DE2701629A1/de active Granted
- 1977-12-21 US US05/862,977 patent/US4150227A/en not_active Expired - Lifetime
-
1978
- 1978-01-13 PT PT67531A patent/PT67531B/pt unknown
- 1978-01-13 GR GR55156A patent/GR66065B/el unknown
- 1978-01-16 ZA ZA00780261A patent/ZA78261B/xx unknown
- 1978-01-16 CH CH42378A patent/CH631984A5/de not_active IP Right Cessation
- 1978-01-16 AU AU32472/78A patent/AU511128B2/en not_active Expired
- 1978-01-16 BE BE6046310A patent/BE862964A/xx not_active IP Right Cessation
- 1978-01-16 FI FI780137A patent/FI64373C/fi not_active IP Right Cessation
- 1978-01-16 AT AT28678A patent/AT356137B/de not_active IP Right Cessation
- 1978-01-16 EG EG23/78A patent/EG12898A/xx active
- 1978-01-16 NL NLAANVRAGE7800511,A patent/NL179820C/xx not_active IP Right Cessation
- 1978-01-16 MX MX786777U patent/MX5834E/es unknown
- 1978-01-16 IT IT47656/78A patent/IT1155770B/it active
- 1978-01-16 SE SE7800500A patent/SE425973B/sv not_active IP Right Cessation
- 1978-01-16 ES ES466032A patent/ES466032A1/es not_active Expired
- 1978-01-16 AR AR270722A patent/AR219732A1/es active
- 1978-01-16 CA CA295,031A patent/CA1083571A/en not_active Expired
- 1978-01-16 DK DK19678A patent/DK143753C/da not_active IP Right Cessation
- 1978-01-17 FR FR7801188A patent/FR2377401A1/fr active Granted
- 1978-01-17 JP JP366378A patent/JPS5390293A/ja active Granted
- 1978-01-17 GB GB1796/78A patent/GB1565762A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |