FR2154457A1 - - Google Patents
Info
- Publication number
- FR2154457A1 FR2154457A1 FR7231262A FR7231262A FR2154457A1 FR 2154457 A1 FR2154457 A1 FR 2154457A1 FR 7231262 A FR7231262 A FR 7231262A FR 7231262 A FR7231262 A FR 7231262A FR 2154457 A1 FR2154457 A1 FR 2154457A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- 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
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- 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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT774571A AT311995B (de) | 1971-09-06 | 1971-09-06 | Verfahren zur Herstellung von neuen basisch substituierten Alkyltheophyllinen |
AT931271A AT313916B (de) | 1971-10-28 | 1971-10-28 | Verfahren zur Herstellung von neuen basisch substituierten Theophyllinen und deren Säureadditionssalzen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2154457A1 true FR2154457A1 (fr) | 1973-05-11 |
FR2154457B1 FR2154457B1 (fr) | 1975-06-20 |
Family
ID=25604090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7231262A Expired FR2154457B1 (fr) | 1971-09-06 | 1972-09-04 |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE788427A (fr) |
CA (1) | CA988086A (fr) |
CH (1) | CH580629A5 (fr) |
DD (1) | DD102385A5 (fr) |
ES (1) | ES406417A1 (fr) |
FR (1) | FR2154457B1 (fr) |
GB (1) | GB1399109A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0011399A1 (fr) * | 1978-11-11 | 1980-05-28 | FISONS plc | Théophyllines-N-substituées, procédés pour leur préparation et compositions pharmaceutiques les contenant |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2100953A1 (fr) * | 1970-07-27 | 1972-03-24 | Degussa |
-
0
- BE BE788427D patent/BE788427A/fr unknown
-
1972
- 1972-09-04 DD DD165427A patent/DD102385A5/xx unknown
- 1972-09-04 FR FR7231262A patent/FR2154457B1/fr not_active Expired
- 1972-09-05 ES ES406417A patent/ES406417A1/es not_active Expired
- 1972-09-06 CH CH1310672A patent/CH580629A5/xx not_active IP Right Cessation
- 1972-09-06 CA CA151,076A patent/CA988086A/en not_active Expired
- 1972-09-06 GB GB4136472A patent/GB1399109A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2100953A1 (fr) * | 1970-07-27 | 1972-03-24 | Degussa |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0011399A1 (fr) * | 1978-11-11 | 1980-05-28 | FISONS plc | Théophyllines-N-substituées, procédés pour leur préparation et compositions pharmaceutiques les contenant |
Also Published As
Publication number | Publication date |
---|---|
GB1399109A (en) | 1975-06-25 |
CA988086A (en) | 1976-04-27 |
DD102385A5 (fr) | 1973-12-12 |
BE788427A (fr) | 1973-03-05 |
CH580629A5 (fr) | 1976-10-15 |
FR2154457B1 (fr) | 1975-06-20 |
ES406417A1 (es) | 1975-07-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |