DD102385A5 - - Google Patents
Info
- Publication number
- DD102385A5 DD102385A5 DD165427A DD16542772A DD102385A5 DD 102385 A5 DD102385 A5 DD 102385A5 DD 165427 A DD165427 A DD 165427A DD 16542772 A DD16542772 A DD 16542772A DD 102385 A5 DD102385 A5 DD 102385A5
- Authority
- DD
- German Democratic Republic
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
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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 (1)
| Publication Number | Publication Date |
|---|---|
| DD102385A5 true DD102385A5 (enrdf_load_stackoverflow) | 1973-12-12 |
Family
ID=25604090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD165427A DD102385A5 (enrdf_load_stackoverflow) | 1971-09-06 | 1972-09-04 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE788427A (enrdf_load_stackoverflow) |
| CA (1) | CA988086A (enrdf_load_stackoverflow) |
| CH (1) | CH580629A5 (enrdf_load_stackoverflow) |
| DD (1) | DD102385A5 (enrdf_load_stackoverflow) |
| ES (1) | ES406417A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2154457B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1399109A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011399A1 (en) * | 1978-11-11 | 1980-05-28 | FISONS plc | N-substituted theophyllines, processes for their preparation and pharmaceutical compositions containing them |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT308139B (de) * | 1970-07-27 | 1973-06-25 | Degussa | Verfahren zur Herstellung von neuen basisch substituierten Alkyltheophyllinen, ihren Isomeren und Säureadditionssalzen |
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0
- BE BE788427D patent/BE788427A/xx 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
Also Published As
| Publication number | Publication date |
|---|---|
| ES406417A1 (es) | 1975-07-01 |
| FR2154457A1 (enrdf_load_stackoverflow) | 1973-05-11 |
| BE788427A (fr) | 1973-03-05 |
| GB1399109A (en) | 1975-06-25 |
| FR2154457B1 (enrdf_load_stackoverflow) | 1975-06-20 |
| CA988086A (en) | 1976-04-27 |
| CH580629A5 (enrdf_load_stackoverflow) | 1976-10-15 |