DE145880C - - Google Patents
Info
- Publication number
- DE145880C DE145880C DE1902145880D DE145880DA DE145880C DE 145880 C DE145880 C DE 145880C DE 1902145880 D DE1902145880 D DE 1902145880D DE 145880D A DE145880D A DE 145880DA DE 145880 C DE145880 C DE 145880C
- Authority
- DE
- Germany
- Prior art keywords
- chlorotheophylline
- dichlorocaffeine
- chlorocaffeine
- chlorine
- solution
- 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 - Lifetime
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT17572D AT17572B (de) | 1902-10-16 | 1903-10-21 | Verfahren zur Darstellung von Chlortheophyllin. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE145880C true DE145880C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=413198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1902145880D Expired - Lifetime DE145880C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1902-10-16 | 1902-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145880C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1902
- 1902-10-16 DE DE1902145880D patent/DE145880C/de not_active Expired - Lifetime
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