JPS4852794A - - Google Patents
Info
- Publication number
- JPS4852794A JPS4852794A JP47108401A JP10840172A JPS4852794A JP S4852794 A JPS4852794 A JP S4852794A JP 47108401 A JP47108401 A JP 47108401A JP 10840172 A JP10840172 A JP 10840172A JP S4852794 A JPS4852794 A JP S4852794A
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|---|---|
| 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 |
|---|---|
| JPS4852794A true JPS4852794A (de) | 1973-07-24 |
Family
ID=3613058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47108401A Pending JPS4852794A (de) | 1971-10-28 | 1972-10-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3896119A (de) |
| JP (1) | JPS4852794A (de) |
| AT (1) | AT313916B (de) |
| DE (1) | DE2253075A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2439137A1 (de) * | 1974-08-14 | 1976-08-12 | Wuelfing J A Fa | 3-methyl-pyrazol-5-carboxylate, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneipraeparate |
| GB1527543A (en) * | 1976-04-15 | 1978-10-04 | Degussa | Basically substituted xanthine derivatives |
| IL52685A (en) * | 1976-08-09 | 1982-11-30 | Shionogi & Co | 3-amino-2-oxo-azetidinyl acetic acid derivatives,their preparation and a process for the preparation of 1-dethia-1-oxa-cephalosporins |
| US4400381A (en) * | 1981-07-31 | 1983-08-23 | Laroche-Navarron, S.A. | Piperazine derivatives of theophylline |
| US5281605A (en) * | 1986-08-28 | 1994-01-25 | Sandoz Ltd. | Novel xanthine derivatives |
| WO2002002560A2 (en) * | 2000-07-04 | 2002-01-10 | Novo Nordisk A/S | Purine-2,6-diones which are inhibitors of the enzyme dipeptidyl peptidase iv (dpp-iv) |
| DE60304911D1 (de) * | 2002-02-25 | 2006-06-08 | Eisai Co Ltd | Xanthin-Derivate als DPP-IV-Inhibitoren |
-
1971
- 1971-10-28 AT AT931271A patent/AT313916B/de not_active IP Right Cessation
-
1972
- 1972-09-27 US US292798A patent/US3896119A/en not_active Expired - Lifetime
- 1972-10-28 DE DE2253075A patent/DE2253075A1/de not_active Withdrawn
- 1972-10-28 JP JP47108401A patent/JPS4852794A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3896119A (en) | 1975-07-22 |
| AT313916B (de) | 1974-03-11 |
| DE2253075A1 (de) | 1973-05-24 |