JPS4881895A - - Google Patents
Info
- Publication number
- JPS4881895A JPS4881895A JP1469272A JP1469272A JPS4881895A JP S4881895 A JPS4881895 A JP S4881895A JP 1469272 A JP1469272 A JP 1469272A JP 1469272 A JP1469272 A JP 1469272A JP S4881895 A JPS4881895 A JP S4881895A
- 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
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1469272A JPS4881895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-10 | 1972-02-10 | |
| DE19732304982 DE2304982A1 (de) | 1972-02-10 | 1973-02-01 | Verfahren zur reinigung von dipyridamol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1469272A JPS4881895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-10 | 1972-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4881895A true JPS4881895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-11-01 |
Family
ID=11868229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1469272A Pending JPS4881895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-10 | 1972-02-10 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4881895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| DE (1) | DE2304982A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4110607C1 (en) * | 1991-04-02 | 1992-11-26 | Arzneimittelwerk Dresden Gmbh, O-8122 Radebeul, De | Treatment of highly viscous mixt. from dipyridamole prodn. - involves heating and mixing with methyl urea, adding hydrochloric acid, further heating etc. to recover valuable intermediates |
-
1972
- 1972-02-10 JP JP1469272A patent/JPS4881895A/ja active Pending
-
1973
- 1973-02-01 DE DE19732304982 patent/DE2304982A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2304982A1 (de) | 1973-08-16 |