BR7206107D0 - Processo de obtencao de novas 1,3-di-metil-alcoil-xantina - Google Patents
Processo de obtencao de novas 1,3-di-metil-alcoil-xantinaInfo
- Publication number
- BR7206107D0 BR7206107D0 BR6107/72A BR610772A BR7206107D0 BR 7206107 D0 BR7206107 D0 BR 7206107D0 BR 6107/72 A BR6107/72 A BR 6107/72A BR 610772 A BR610772 A BR 610772A BR 7206107 D0 BR7206107 D0 BR 7206107D0
- Authority
- BR
- Brazil
- Prior art keywords
- xanthin
- alkyl
- methyl
- obtaining new
- obtaining
- 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
- C07D473/08—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT774571A AT311995B (de) | 1971-09-06 | 1971-09-06 | Verfahren zur Herstellung von neuen basisch substituierten Alkyltheophyllinen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7206107D0 true BR7206107D0 (pt) | 1974-08-15 |
Family
ID=3599071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR6107/72A BR7206107D0 (pt) | 1971-09-06 | 1972-09-05 | Processo de obtencao de novas 1,3-di-metil-alcoil-xantina |
Country Status (5)
Country | Link |
---|---|
US (1) | US3855221A (pt) |
JP (1) | JPS4834194A (pt) |
AT (1) | AT311995B (pt) |
BR (1) | BR7206107D0 (pt) |
DE (1) | DE2243735A1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1527543A (en) * | 1976-04-15 | 1978-10-04 | Degussa | Basically substituted xanthine derivatives |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3245994A (en) * | 1966-04-12 | Theophylline derivatives | ||
NL128805C (pt) * | 1965-11-16 |
-
1971
- 1971-09-06 AT AT774571A patent/AT311995B/de not_active IP Right Cessation
-
1972
- 1972-08-30 US US00284911A patent/US3855221A/en not_active Expired - Lifetime
- 1972-09-05 BR BR6107/72A patent/BR7206107D0/pt unknown
- 1972-09-06 DE DE2243735A patent/DE2243735A1/de not_active Withdrawn
- 1972-09-06 JP JP47089450A patent/JPS4834194A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3855221A (en) | 1974-12-17 |
AT311995B (de) | 1973-12-10 |
JPS4834194A (pt) | 1973-05-16 |
DE2243735A1 (de) | 1973-03-22 |
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